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(Click for frequent words.) 66 abdominal ultrasound 66 polyp removal 66 transrectal ultrasound guided 65 colonography 65 Sigmoidoscopy 65 esophagogastroduodenoscopy 65 PAP smears 65 barium enema 65 endometrial biopsy 64 excisional biopsy 64 pulmonary angiography 64 test FOBT 64 helical CT 64 lung resections 64 axillary node dissection 64 colonoscopy flexible sigmoidoscopy 63 upper endoscopy 63 X rays ultrasounds 63 Hysterectomies 63 colonoscopy sigmoidoscopy 63 optical colonoscopy 63 Colonoscopies 63 conventional coronary angiography 63 transesophageal echocardiography 63 adenoma detection 63 abdominal computed tomography 63 sigmoidoscopies 62 Flexible sigmoidoscopy 62 leiomyomas 62 Breast conserving 62 Cystoscopy 62 upper endoscopies 62 malignant polyps 62 EBUS FNA 62 conventional angiography 62 mediastinoscopy 62 Breast MRIs 62 invasive coronary angiography 62 transvaginal sonography 62 fluoroscopy guided 62 Angiograms 62 upper GI endoscopy 62 contrast barium enema 62 CT angiograms 62 vaginal hysterectomy 62 undergoing colonoscopy 62 cervical cytology 62 needle aspiration 61 Nonsurgical 61 Sentinel node biopsy 61 arthrography 61 ASCUS 61 CT scans MRIs 61 FDG-PET/CT 61 Vizilite 61 Computed tomography 61 mammograms pap tests 61 keratoplasty 61 coronary CTA 61 wedge resection 61 cancerous polyps 61 CAT Scans 61 x rays MRIs 61 MRIs CAT scans 61 Radical prostatectomy 61 colonoscopic 61 laparoscopic colon 61 CT coronary angiography 61 PAP smear 61 pelvic lymphadenectomy 61 chest radiographs 61 flexible sigmoidoscopy 61 undergoing peritoneal dialysis 61 CT Scans 61 mammography ultrasound 61 Coronary artery bypass graft 60 pelvic ultrasound 60 cytoreductive surgery 60 tonsil removal 60 Amniocentesis 60 Sentinel Lymph Node Biopsy 60 Ultrasonography 60 invasive diagnostic 60 Fine needle aspiration 60 chest radiography 60 colorectal neoplasms 60 fecal occult blood 60 precancer 60 Coronary artery bypass grafting 60 Bronchoscopy 60 Virtual colonoscopy 60 potentially cancerous polyps 60 guaiac 60 Adenomas 60 colon resection 60 computerized tomographic 60 pancreatic resection 60 Virtual Colonoscopy 60 transesophageal 60 Scarless 60 computed tomographic 60 transrectal ultrasound 60 Colonoscopy 60 breast MRIs 60 thymectomy 60 needle biopsies 60 duplex ultrasonography 60 precancerous polyp 59 cytologic 59 Cholecystectomy 59 cytological 59 catheter angiography 59 pathologic examination 59 osteoporotic compression fractures 59 detect precancerous lesions 59 Coronary Artery Bypass Graft 59 EUS FNA 59 transabdominal 59 Computed tomographic 59 transcranial Doppler 59 dental x rays 59 CT Angiography 59 TRUS 59 Stereotactic Body Radiation Therapy 59 colon rectal 59 conventional Pap smear 59 Lumpectomy 59 Endoscopic ultrasound 59 esophageal resection 59 postoperative infections 59 less invasive laparoscopic 59 benign nodules 59 mammograms ultrasounds 59 abdominal ultrasounds 59 upper gastrointestinal endoscopy 59 radical nephrectomy 59 basal cell cancers 59 inguinal hernia repair 59 laparoscopically assisted 59 Coronary angiography 59 Fecal occult blood 59 HoLEP 59 endoscopists 59 Blepharoplasty 59 surgical biopsies 59 coronary angiograms 59 venography 59 breast biopsies 59 thyroid nodules 59 Screening mammograms 59 peritoneal cancer 59 painless noninvasive 59 gastroscopy 58 sigmoidoscopy 58 abdominal aneurysms 58 Hemoccult II 58 malignant lesion 58 coronary CT angiography 58 Echocardiograms 58 preop 58 Abdominal ultrasound 58 electron beam computed tomography 58 EBUS 58 surgical biopsy 58 adenomatous polyps 58 PET CT scans 58 Mammographic 58 CT angiogram 58 invasive biopsy 58 resections 58 mammographically 58 Surgical resection 58 VATS lobectomy 58 Accelerated Partial Breast Irradiation 58 spiral CT scan 58 multidetector row 58 haematuria 58 adnexal masses 58 computed tomography scans 58 abdominal hysterectomy 58 prostate TURP 58 histologic examination 58 Biopsies 58 Carotid artery stenting 58 percutaneous vertebroplasty 58 Carotid artery 58 urine cytology 58 symptomatic carotid stenosis 58 Abdominal Aortic Aneurysm 58 Pap smears mammograms 58 Angiographic 58 spiral computed tomography 58 computed tomography CT scans 58 diagnostic modality 58 acetabular fractures 58 Virtual colonoscopies 58 preoperative staging 58 guided percutaneous 58 polyp detection 58 Surgical Procedures 58 noninvasive painless 58 Radiofrequency ablation 58 fundus photography 58 unsedated colonoscopy 58 polypectomy 58 Magnetic resonance 58 lymph node biopsies 58 core needle biopsy 58 myomas 58 Cataract surgery 58 digital subtraction angiography 58 Papillary 58 transthoracic 58 Robot Assisted 58 diagnostic angiography 58 pelvic examinations 58 spinal metastases 58 radiographic imaging 58 Bone density 58 bone density scans 58 CT angiography CTA 58 digital rectal examination 58 bone density measurements 58 Breast Biopsies 58 BSGI MBI 58 basal cell skin 58 surgical excision 58 neoplasias 58 Fecal Occult Blood 58 liver biopsy 58 TURBT 57 MDCT angiography 57 urography 57 cholecystectomies 57 Ultrasound imaging 57 scintigraphy 57 interstitial brachytherapy 57 lymph node removal 57 x ray angiography 57 treat menorrhagia 57 adenoidectomy 57 enucleation 57 tomography scans 57 pulmonary dysfunction 57 CT perfusion 57 cervical biopsies 57 thoracoscopic lobectomy 57 lumbar fusions 57 Breast Specific Gamma 57 endoscopic retrograde cholangiopancreatography ERCGrant Parpan 57 CTs MRIs 57 bariatric procedure 57 DEXA scans 57 undergoing elective 57 postoperative morbidity 57 gynaecologic 57 PET CT scanning 57 MSCT 57 abdominal pelvic 57 carotid artery stenosis 57 digital rectal exams 57 axillary dissection 57 coronary angiogram 57 paracentesis 57 Coronary artery bypass 57 total knee arthroplasties 57 endoscopic ultrasonography 57 pretest probability 57 para aortic 57 computerized tomography CT 57 F FDG PET 57 Phacoemulsification 57 angiography CTA 57 coronary angiography 57 robotic radical prostatectomy 57 Tonsillectomy 57 endoscopic retrograde 57 lung biopsies 57 lymphadenectomy 57 histopathologic examination 57 extracolonic findings 57 sonographically guided 57 Abdominoplasty 57 fine needle aspiration 57 liver biopsies 57 nephrectomies 57 Basal Cell 57 coronary bypasses 57 computed tomography CT angiography 57 sentinel nodes 57 treated nonsurgically 57 computerized tomography scans 57 colonoscopies 57 Minimally Invasive Procedure 57 Adjuvant chemotherapy 57 diagnosing coronary artery 57 treat brain aneurysms 57 urine dipstick 57 myocardial viability 57 thoracoscopy 57 ovarian malignancy 57 esophagectomy 57 serrated polyps 57 abnormal cytology 57 colonoscopy 57 fecal immunochemical test 57 angiographies 57 chest x rays 57 Electron beam 57 CT computerized tomography 57 Mohs micrographic surgery 57 Pap Smears 57 MR arthrography 57 appendiceal 57 FOBT 57 Patients Undergoing 57 pre operatively 57 transrectal 57 bone scintigraphy 57 proton MR spectroscopy 57 breast conserving lumpectomy 57 CT colonography CTC 57 transurethral resection 57 MR Angiography 57 CABG surgeries 57 balloon angioplasties 57 antireflux surgery 57 bone marrow biopsies 57 sacrocolpopexy 57 diagnostic mammograms 57 adenomatous 57 TURP 56 Coronary Angiography 56 Carotid Artery 56 carotid artery blockage 56 lung nodule 56 mammographic 56 Postoperative 56 laparoscopic fundoplication 56 advanced adenomas 56 hepatectomy 56 anterior resection 56 bone marrow aspiration 56 Hurthle cell 56 invasive angiography 56 perioperative mortality 56 endoscopies 56 cardiac perfusion 56 surgically resectable 56 pa tients 56 Echocardiogram 56 cardiac computed tomography 56 hamartomas 56 X ray angiography 56 hepatic lesions 56 computed tomography scanning 56 myocardial revascularization 56 nephron sparing surgery 56 transrectal ultrasonography 56 Minimally invasive surgery 56 positron emission 56 laparoscopic cholecystectomy 56 grade squamous intraepithelial 56 CT colonography 56 adnexal mass 56 TKAs 56 diagnostic mammogram 56 advanced neoplasia 56 OPCAB 56 radiographic examinations 56 prostatectomies 56 whitening treatments 56 colon resections 56 nodal metastases 56 radioiodine therapy 56 Transesophageal 56 HIPEC 56 UPPP 56 USPSTF recommends 56 preoperative evaluation 56 endothelial keratoplasty 56 densitometry 56 Calcified 56 antibiotic regimens 56 cholecystectomy 56 functional endoscopic sinus 56 endosonography 56 FDG PET imaging 56 salpingo oophorectomy 56 bronchoalveolar lavage 56 Prostate Biopsy 56 atrial ablation 56 renal tumors 56 oncologic outcomes 56 FDG PET 56 malignant lesions 56 painless ultrasound 56 performed laparoscopically 56 postoperative chemotherapy 56 Mantoux 56 Colorectal 56 atherosclerotic renal artery stenosis 56 canaloplasty 56 Less Invasive 56 postoperative infection 56 Positron emission tomography 56 conventional colonoscopy 56 immunochemical 56 external beam radiotherapy 56 SilverHawk Plaque Excision System 56 coronary artery bypass grafts 56 cardiac CT angiography 56 pancreatic cysts 56 CT scans ultrasounds 56 excisional 56 faecal occult blood 56 pathologic correlation 56 percutaneous drainage 56 emission tomography 56 bronchogenic carcinoma 56 gauge vitrectomy 56 visit RadiologyInfo.org 56 radiofrequency RF ablation 56 radical retropubic prostatectomy 56 ablative lasers 56 bowel polyps 56 cleanings X rays 56 Cardiac catheterization 56 transient elastography 56 mitral valve replacement 56 CT angiography 56 Cystectomy 56 laparoscopies 56 Doppler ultrasound 56 bronchoscopies 56 anastomotic leak 56 prophylactic mastectomies 56 Balloon sinuplasty 56 esophagogastric 56 sentinel lymph node biopsy 56 colonscopy 56 sentinel node biopsy 56 severe mitral regurgitation 56 ultrasound computed tomography 56 fibrocystic 56 contralateral breast 56 PET Scans 55 patients undergoing noncardiac 55 serologic testing 55 incisional biopsy 55 mammograms Pap smears 55 chronic airway obstruction 55 Myomectomy 55 defibrillator implantation 55 nonmelanoma skin cancers 55 Transfusions 55 computed tomographic scans 55 carotid stenosis 55 angioplasty stenting 55 chemoradiation therapy 55 ICSI cycles 55 core needle biopsies 55 scleral buckling 55 Prostate Specific Antigen PSA 55 tracheal intubation 55 cerebral angiography 55 coblation 55 Heavy menstrual bleeding 55 electron beam tomography 55 dimensional computed tomography 55 urologic gynecologic 55 lung resection 55 multislice 55 trabeculectomy 55 allogeneic hematopoietic cell 55 DXA scan 55 laparoscopic surgeries 55 TUMT 55 Angiogram 55 Recurrences 55 saline infusion 55 Preoperative 55 radiofrequency ablation RFA 55 Intra Operative 55 adjustable gastric banding 55 invasive procedures 55 nondiagnostic 55 FDG PET scans 55 Minimally invasive 55 Scintigraphy 55 Wavefront guided 55 bullous 55 lumbar disk herniation 55 extracolonic 55 renal artery stenosis 55 cystoscope 55 histological examination 55 preoperative chemotherapy 55 nonadherent 55 ThinPrep Pap Test 55 urethral strictures 55 angiographically 55 preoperatively 55 BladderChek 55 Endoscopes 55 Enhanced External Counterpulsation 55 laser refractive 55 cerebral angiogram 55 radionuclide imaging 55 DALK 55 LASIK eye 55 kidney ureter bladder 55 pre cancerous lesion 55 bladeless LASIK 55 chemoembolization 55 unicompartmental knee arthroplasty 55 Robotic Assisted 55 ductal carcinomas 55 endoscopic examinations 55 plain radiographs 55 computed tomography angiography 55 immunohistochemical analysis 55 intracapsular 55 seborrheic keratoses 55 atypical ductal hyperplasia 55 malignant lymph nodes 55 lumbar punctures 55 enhanced MR angiography 55 micro calcifications 55 Eyelid surgery 55 dental extractions 55 benign neoplasms 55 endoscopic sinus surgery 55 percutaneous interventions 55 Duodenal 55 underwent coronary angiography 55 Sonographic 55 vertebral compression fracture 55 reoperations 55 elective PCI 55 DEXA scan 55 Prostate specific antigen 55 invasive prenatal 55 bowel cleansing prior 55 endoscopic ultrasound 55 coronary computed tomography 55 Postoperative complications 55 pars plana vitrectomy 55 lumbar discectomy 55 ultrasonography 55 perforated colons 55 endovascular interventions 55 lymph node metastases 55 Squamous 55 Balloon angioplasty 55 fibroadenomas 55 histologic findings 55 osteoid osteoma 55 immunochemical fecal occult 55 keratectomy 55 Angioplasties 55 donor nephrectomy 55 Neoadjuvant chemotherapy 55 arteriography 55 histologically proven 55 Minimally invasive procedures 55 color Doppler 55 Coronary bypass 55 CT Scanning 55 CT fluoroscopy 55 Prostate Specific Antigen 55 thyroglobulin 55 node dissection 55 fluoroscopically guided 55 Total Knee Replacement 55 underwent resection 55 varicose vein removal 55 angiography CCTA 55 prostate abnormalities 55 treating uterine fibroids 55 underwent surgical resection 55 ThinPrep 55 nodal metastasis 55 transradial approach 55 thyroidectomy 55 Embolization 55 concurrent chemoradiation 55 biopsies 55 Melasma 55 benign uterine 55 X ray mammography 55 CT pulmonary angiography 55 Carotid stenting 55 Neoplasms 55 gastrectomy 55 unresectable tumors 55 Flexi Scope 54 transurethral 54 precursor lesions 54 Regular checkups 54 unicondylar 54 sonographically 54 venous thromboembolism prophylaxis 54 opacification 54 gadolinium enhanced 54 laparoscopic nephrectomy 54 reduction mammoplasty 54 Computer Aided Detection 54 Pelvic Organ Prolapse 54 Mitomycin C 54 nonsurgical treatments 54 cystoscopy 54 Nissen fundoplication 54 computed tomography magnetic resonance 54 Stereotactic Radiosurgery 54 Rectal 54 Hysterectomy 54 Intraoperative 54 implant stents 54 Morbidly obese patients 54 laparascopic 54 bilateral orchiectomy 54 intraoperative complications 54 Transurethral 54 histological diagnosis 54 ablative resurfacing 54 mammograms pap smears 54 gynecologic procedures 54 colposcopy 54 digital tomosynthesis 54 carotid ultrasound 54 Intensity Modulated 54 esophageal reflux 54 Renal Artery 54 Kidney transplants 54 endorectal 54 liver resection 54 nephrectomy 54 BRCA2 mutation carriers 54 REMINDER ORLive Presents 54 lymph node dissection 54 malignant growths 54 EBCT 54 PET Positron Emission Tomography 54 Colorectal cancer screening 54 undergone radical prostatectomy 54 adjuvant radiotherapy 54 preoperative diagnosis 54 virtual colonoscopies 54 dysplastic nevi 54 colorectal screenings 54 Ultrasonographic 54 sympathectomy 54 body contouring procedure 54 arterial grafts 54 Doppler echocardiography 54 TLIF 54 positron emission tomography scans 54 Capsule endoscopy 54 carcinoid tumor 54 Brow Lift 54 x ray mammography 54 precancers 54 stereotactic biopsy 54 prostate carcinomas 54 premalignant lesion 54 pelvic lymph nodes 54 VCUG 54 dermoscopy 54 noninvasive imaging 54 metaplasia 54 conformal radiotherapy 54 renal biopsy 54 Y Gastric Bypass 54 noninvasive ultrasound 54 perfusion imaging 54 RALP 54 PSA nadir 54 intraoperative ultrasound 54 heart catheterizations 54 hamartoma 54 Computed tomography CT 54 aneuploidy screening 54 intracavitary 54 sentinel lymph node 54 pancreatic lung 54 gonococcal infection 54 diagnostic catheterization 54 fibrocystic disease 54 angio 54 cancerous enlargement 54 Androgen Deprivation Therapy 54 nasal endoscopy 54 MRgFUS 54 Biopsy 54 aberrometer 54 guided radiotherapy IGRT 54 deCODE ProstateCancer TM 54 Vertebroplasty 54 Hormonal therapy 54 abdominoplasty tummy tuck 54 endobronchial 54 proximal humerus fractures 54 computerized tomography scan 54 Surgical excision 54 postoperative complication 54 Fluoroscopy 54 Sentinel lymph node 54 percutaneous transluminal coronary angioplasty 54 Mohs surgery 54 postprocedure 54 ORLive Presents 54 Fine Needle Aspiration 54 screening colonoscopy 54 cytoreduction 54 Sentinel Lymph Node 54 screenings pap smears 54 detect polyps 54 Vitrectomy 54 Tumescent 54 cranial irradiation 54 Computerized Tomography 54 Lymph node 54 Squamous Cell Carcinoma 54 tissue biopsies 54 transarterial 54 mediastinal lymph nodes 54 percutaneous biopsy 54 incontinence erectile dysfunction 54 vein ablation 54 stereotactic breast 54 Vasotrac 54 Liver transplants 54 Cleanings 54 Transurethral Resection 54 FinESS 54 adjuvant therapies 54 Sclerotherapy 54 laparoscopic hysterectomies 54 Esophageal 54 colonic polyps 54 tumor excision 54 CIN2 + 54 Polyps 54 angiograms 54 Sonography 54 liver metastasis 54 Elastography 54 lidocaine gel 54 LVNC 54 elevated LDH 54 breast conserving lumpectomies 54 resectable 54 breast ovary 54 CT magnetic resonance 54 chest radiograph 54 urothelial carcinoma 54 exploratory laparotomy 54 perforated appendicitis 54 histopathologic findings 54 colo rectal 54 deep venous thromboses 54 gallbladder removal 54 spirometric 54 CIN3 54 catheter ablations 54 computer tomography CT 54 Basal cell 54 carotid endarterectomy surgery 54 fillings root canals 54 Abdominal Aortic Aneurysms 54 undergoing CABG 54 DCIS lesions 54 deCODE BreastCancer 54 Inguinal 54 lung nodules 54 Watchful Waiting 54 CT Colonography 54 bipolar hemiarthroplasty 54 chest x ray 53 Cytyc ThinPrep 53 Histopathological 53 microcalcifications 53 sternotomy 53 underwent laparoscopic gastric 53 MRIs X rays 53 Ankle Brachial Index 53 Histological 53 Cryoablation 53 sonographic appearance 53 Arteriovenous 53 thromboprophylaxis 53 fillings crowns 53 Invasive Breast Cancer 53 mucinous 53 prophylactic cranial irradiation 53 ultrasonographic 53 endoscopic ultrasound EUS 53 schwannomas 53 calcaneal fractures 53 nuchal fold 53 Lymph Node 53 Suboptimal 53 Ejection Fraction 53 malignant nodules 53 SLNB 53 distal colon 53 karyotyping 53 ablative therapies 53 vascular stenting 53 Coronary CTA 53 axillary lymph node 53 Laser Assisted 53 microalbumin 53 vaginal hysterectomies 53 interventional cardiac catheterization 53 antimicrobial prophylaxis 53 Metastases 53 gastric corpus 53 pulmonary artery catheter 53 Prostate Cancer Recurrence 53 sputum specimens 53 postsurgical 53 Randomized trials 53 multislice CT 53 Lipolysis 53 endocervical 53 benign lesion 53 debulking surgery 53 benign polyps 53 Chemoradiation 53 limb lengthening 53 postoperative complications 53 minimally invasive endovascular 53 pituitary adenomas 53 Bonati Procedures 53 perioperative morbidity 53 laparoscopic bariatric 53 carotid artery ultrasound 53 Custom LASIK 53 Oral Appliances 53 noncardiac 53 Ultrasensitive 53 cataract removals 53 biopsy specimens 53 Occlusions 53 Sodickson 53 #.#ng/ml 53 Dose Reduction 53 FibroScan 53 NMIBC 53 abnormal Pap tests 53 undergoing radical prostatectomy 53 acute cholecystitis 53 sestamibi 53 hysteroscopic sterilization 53 Breast Specific 53 epicardial ablation 53 NSTE ACS 53 FDG PET CT 53 wound dehiscence 53 DEXA 53 urinary cytology 53 asymptomatic carotid stenosis 53 percutaneous cryoablation 53 balloon sinuplasty 53 Biopsy System 53 varicoceles 53 DEXA scanning 53 radical cystectomy 53 minimally invasive outpatient 53 intensity modulated radiotherapy IMRT 53 cytologic examination 53 breast pancreatic 53 malignant ovarian 53 melanoma lesions 53 cleanings exams 53 HIV HCV coinfected 53 seroma formation 53 undergo prostate biopsy 53 assisted laparoscopic 53 LDL apheresis 53 tumescent liposuction 53 noninvasive outpatient 53 osteoid 53 x ray computed tomography 53 cohesive gel implants 53 cervical lymph nodes 53 cystectomy 53 nonsurgical cosmetic procedures 53 rhinoplasty liposuction 53 unicompartmental 53 Contrast Enhanced 53 prophy 53 orchitis 53 perioperative complications 53 lumbar disc herniation 53 Positron emission tomography PET 53 detecting colorectal cancer 53 histopathologic 53 intraductal 53 GeneSearch 53 bronchoscopes 53 Laparoscopic surgery 53 degenerative spondylolisthesis 53 Cardiopulmonary bypass 53 catheterisation 53 LASIK surgeries 53 endovascular aneurysm repair EVAR 53 dobutamine stress 53 fibroid embolization 53 mammographers 53 Imaging BSGI 53 Androgen Deprivation 53 removed laparoscopically 53 PET CT fusion 53 laparoscopic appendectomy 53 de novo coronary 53 hepatocellular carcinomas 53 MR angiography 53 recurrent bladder 53 adjunctively 53 knee arthroplasty 53 cystoscopic 53 dick enlargement 53 Carotid IMT 53 breast endometrial 53 specific antigen PSA 53 disc herniations 53 detecting polyps 53 IOL implantation 53 Mastectomies 53 colorectal cancer CRC 53 Colorectal Cancers 53 revision rhinoplasty 53 conventional cytology 53 leiomyoma 53 RAS mutations 53 pre cancerous polyps 53 postoperative pulmonary 53 parathyroidectomy 53 surgical aortic valve 53 ureteroscopy 53 Color Doppler 53 tibial shaft 53 radical hysterectomy 53 dissolvable sutures 53 intra operatively 53 Cardiac CT 53 Coronary CT angiography 53 Tomography SPECT 53 suspicious moles 53 X rays MRIs 53 nodal dissection 53 Balloon Kyphoplasty 53 Doppler ultrasonography 53 prostate exam 53 Afib 53 undergoing radical cystectomy 53 intravesical therapy 53 cytology 53 MRIs CTs 53 extracapsular extension 53 female endoscopist 53 facial cosmetic surgery 53 ductal lavage 53 lipo dissolve 53 lipoplasty 53 Lesion 53 intraperitoneal chemotherapy 53 Improves Outcomes 53 keratoses 53 sonographic examinations 53 metastatic lymph nodes 53 lobular cancer 53 CAVEATS 53 Nodules 53 fluorescein angiography 53 benign prostatic hyperplasia enlarged 53 Electrocardiography 53 cataract extraction 53 precancerous condition 53 retroperitoneal 53 microdebrider 53 ablative therapy 53 Transcatheter aortic valve implantation 53 Squamous cell 53 postoperative mortality 53 extracranial 53 axillary lymph node dissection 53 colorectal lung 53 electrophysiology procedures 53 mammographies 53 magnetic resonance angiography 53 video assisted thoracoscopic 53 DXA scans 53 chemical peels microdermabrasion 53 X rays CT scans 53 silent myocardial ischemia