Related by context. All words. (Click for frequent words.) 72 Capsule endoscopy 71 imaging modality 71 needle aspiration 71 MDCT angiography 71 arthrography 70 stratifying patients 70 pretest probability 70 diagnosing coronary artery 70 Radiofrequency ablation 69 SPECT CT imaging 69 angiographically 69 Computed tomography 69 transabdominal 69 noninvasive diagnostic 69 colonoscopic 69 arteriography 69 transcranial Doppler 68 Corus CAD 68 perfusion imaging 68 x ray angiography 68 catheter angiography 68 endoscopist 68 color Doppler ultrasound 68 conventional angiography 68 thermogram 68 vascular insufficiency 68 cystoscopic 68 #F FDG PET 68 pulmonary angiography 68 percutaneous biopsy 68 spiral computed tomography 68 detecting colorectal cancer 68 invasive coronary angiography 68 breast abscesses 68 CT angiography CTA 68 helical CT 67 Surgical resection 67 metastatic lymph nodes 67 transthoracic 67 multislice CT 67 bone scintigraphy 67 angiography CTA 67 transesophageal echocardiography 67 transrectal ultrasound guided 67 COR Analyzer 67 Balloon sinuplasty 67 diagnose coronary artery 67 cardiac perfusion 67 interventional therapies 67 EBUS 67 renal scarring 67 urography 67 hypervascular tumors 67 thyroid nodules 67 coronary CTA 67 artery embolization 67 cerebral angiography 67 myocardial infarct size 66 Surgical excision 66 conformal radiotherapy 66 gynecologic procedures 66 radionuclide imaging 66 acetabular fractures 66 keratoplasty 66 myocardial viability 66 renal tumors 66 EUS FNA 66 transesophageal 66 conventional coronary angiography 66 FDG-PET/CT 66 transfemoral approach 66 VCUG 66 renal biopsy 66 Virtual colonoscopy 66 SPECT imaging 66 artery stenosis 66 oral anticoagulation 66 sonographic appearance 66 immunohistochemical 66 chest radiographs 66 cytoreductive surgery 66 Ultrasonography 66 AGHD 66 esophagogastric 66 noninvasive imaging 66 urothelial cancer 66 antithrombotic therapy 66 myocardial revascularization 66 vascular anatomy 66 tissue oxygenation 66 ablation procedures 66 HPV genotyping 66 multimodality therapy 66 gated SPECT 66 color Doppler 66 excisional biopsy 66 multidetector CT 66 ultrasonographic examination 66 lung resection 66 mammographically 65 multidetector row 65 gauge vitrectomy 65 colonography 65 myocardial perfusion 65 percutaneous vertebroplasty 65 hepatic lesions 65 ablative therapy 65 plasminogen activators 65 thromboprophylaxis 65 radiographic imaging 65 tissue perfusion 65 thoracoscopic lobectomy 65 oncologic outcomes 65 postoperative complication 65 PET tracers 65 oncological outcomes 65 invasive biopsy 65 urine cytology 65 prognostic indicators 65 intracavitary 65 scintigraphy 65 stereotactic radiotherapy 65 antimicrobial prophylaxis 65 tonometry 65 bronchoalveolar lavage 65 liver metastasis 65 guaiac 65 preoperative evaluation 65 bronchogenic carcinoma 65 sonographic diagnosis 65 incidentalomas 65 antiplatelet therapies 65 nondiagnostic 65 fundus photography 65 Endoscopic ultrasound 65 endovascular aneurysm repair EVAR 65 FDG PET imaging 65 preoperative diagnosis 65 cardiac troponin 65 endoluminal 65 thymectomy 65 urothelial carcinoma 65 noninvasive technique 65 Photodynamic therapy 65 endoscopic ultrasound 65 plain radiographs 65 multiplex assay 65 coronary intervention 65 Liver biopsy 65 endometrial biopsy 65 perfusion MRI 65 radiotracers 65 endoscopic retrograde cholangiopancreatography ERCGrant Parpan 65 adjuvant therapies 65 ThinPrep Pap Test 65 Bone marrow transplantation 65 Cardiac catheterization 65 tracheal intubation 65 Doppler ultrasound 65 adjunctively 65 intraventricular 65 intracranial stenosis 65 sonographically guided 64 symptomatic paroxysmal AF 64 Optical coherence tomography 64 sonographic guidance 64 guided percutaneous 64 extracranial 64 curative therapy 64 computed tomography CT angiography 64 Ultrasound imaging 64 Hemoccult II 64 TRUS biopsy 64 transient elastography 64 cCTA 64 perioperative morbidity 64 Viatronix V3D Colon 64 MRgFUS 64 surgical revascularization 64 genomic biomarker 64 malignant nodules 64 functional mitral regurgitation 64 endometrial biopsies 64 sonographic evaluation 64 Coronary artery bypass 64 DVT prophylaxis 64 thromboembolic disease 64 intravenous thrombolysis 64 neovascularisation 64 percutaneous interventions 64 fracture fixation 64 colorectal liver metastases 64 bronchoscopic 64 aortic root replacement 64 methylation markers 64 Magnetic resonance 64 Carotid stenting 64 laparoscopic nephrectomy 64 gastroduodenal 64 Mitomycin C 64 valve implantation 64 urethral strictures 64 transnasal 64 CT colonography CTC 64 adnexal masses 64 bi ventricular pacing 64 carotid artery stenosis 64 intraluminal 64 colon capsule endoscopy 64 microwave hyperthermia 64 perfusion defects 64 procalcitonin 64 cytologic 64 chemoembolization 64 diagnostic biomarker 64 axillary dissection 64 preoperative staging 64 transapical approach 64 angiography CCTA 64 paracentesis 64 Radical prostatectomy 64 dissolving clots 64 endoscopic retrograde 64 lung nodules 64 carotid stenosis 64 computed tomography angiography 64 Heavy menstrual bleeding 64 IVDs 64 transvaginal sonography 64 carcinomatosis 64 ALA PDT 64 fine needle aspiration 64 CT angiography 64 TPMT 64 venography 64 perfusion CT 64 prehospital setting 64 scintigraphic 64 electrophysiologic 64 fetal echocardiography 64 pre operatively 64 ultrasonographic 64 transcranial Doppler ultrasound 64 CT angiogram 64 radioiodine therapy 64 multimodality imaging 64 coronary vasculature 64 Vizilite 64 percutaneous catheter 64 intraocular lens implantation 64 eNO 64 GORE TAG Device 64 immunochemical fecal occult 64 lymphatic mapping 64 balloon valvuloplasty 64 contrast echocardiography 64 Balloon Sinuplasty 64 precursor lesions 64 FDG PET CT 64 adenomatous 64 ovarian malignancy 64 metastatic neuroendocrine tumors 64 intravascular stent 64 leiomyomas 64 CTEPH 64 CT angiograms 64 obstructive CAD 64 intraperitoneal chemotherapy 64 urolithiasis 64 urine dipstick 64 eBx 64 optical coherence tomography OCT 63 LVNC 63 adrenalectomy 63 postoperative morbidity 63 atrial fibrillation ablation 63 endomicroscopy 63 biomarker identification 63 VisuMax 63 haematuria 63 transvenous 63 sympathectomy 63 VerifyNow 63 prostate cancer PCa 63 antiangiogenic agent 63 histopathologic examination 63 Liver transplantation 63 transcatheter closure 63 invasive diagnostic 63 neurosurgical procedure 63 coronary computed tomography 63 multislice 63 cytological 63 dosimetric 63 Carotid endarterectomy 63 therapeutic radiopharmaceuticals 63 pelvic ultrasound 63 primary hyperparathyroidism 63 prognostic variables 63 EndoFLIP 63 microRNA profiling 63 antibiotic prophylaxis 63 Bronchoscopy 63 brain tumor resection 63 antiarrhythmic drug 63 metaplasia 63 excisional 63 hemodynamically unstable 63 Sentinel node biopsy 63 optical coherence tomography 63 immunopathology 63 prognostic markers 63 CIN2 + 63 vesicoureteral reflux VUR 63 TMS Therapy 63 histologic subtype 63 coronary artery stenosis 63 HDR brachytherapy 63 upper endoscopy 63 computed tomographic 63 chromosomal mutations 63 photocoagulation 63 bone grafting procedures 63 CT pulmonary angiography 63 invasive candidiasis 63 F FDG PET 63 glucose sensor 63 immunohistochemistry IHC 63 cervical carcinoma 63 FFR measurement 63 adenoidectomy 63 transoral 63 electron beam computed tomography 63 epicardial ablation 63 AFRS TM 63 intraductal 63 histologic examination 63 SIR Spheres 63 polyp detection 63 transrectal ultrasound 63 HIPEC 63 liver resection 63 infective endocarditis 63 cardiac troponin T 63 MR arthrography 63 Dural Sealant 63 prognostic marker 63 nonpharmacologic 63 Electronic Brachytherapy 63 PET CT scanners 63 pacemaker implantation 63 Flexible sigmoidoscopy 63 HistoScanning 63 prognostic indicator 63 ASCUS 63 refractory angina 63 AV fistulas 63 X ray mammography 63 NPM1 mutation 63 detecting coronary artery 63 prognostic biomarker 63 MSCT 63 serologic testing 63 antithrombotic therapies 63 colorectal adenoma 63 MDCT scans 63 tamponade 63 MTWA testing 63 DEXA scans 63 fundus camera 63 thrombotic complications 63 lung nodule 63 sentinel lymph node biopsy 63 nodal metastasis 63 Stereotactic radiosurgery 63 transurethral 63 pelvic lymphadenectomy 63 intravesical therapy 63 pharmacologic stress 63 pulmonary nodules 63 PET tracer 63 Doppler echocardiography 63 PROLARIS 63 CINtec ® PLUS 63 urodynamic 63 inotropic 63 Dr. Kountakis 63 prostate TURP 63 vProtect TM Luminal Shield 63 foam sclerotherapy 63 endobronchial 63 antireflux surgery 63 FFR measurements 63 thoracoscopy 63 Catheter ablation 63 breast thermography 63 central corneal thickness 63 manometry 63 sCJD 63 neurosensory 63 Prenatal diagnosis 63 prostate carcinoma 63 immunomodulatory therapy 63 Positron emission tomography PET 63 pulmonary resection 63 FENO 63 Minimally invasive surgery 62 endoscopic ultrasonography 62 postoperative radiotherapy 62 transrectal ultrasonography 62 surgical decompression 62 FDG uptake 62 ventilation perfusion 62 endovascular aneurysm repair 62 urologic surgeons 62 oral anticoagulant therapy 62 post thrombotic syndrome 62 precancerous cervical 62 coronary angiogram 62 electrodiagnostic 62 photodamaged skin 62 myocardial perfusion imaging 62 endovascular procedures 62 monophasic 62 QuantiFERON 62 chlamydial 62 ureteroscopy 62 electrocardiography ECG 62 patients undergoing CABG 62 von Willebrand 62 membranous nephropathy 62 Lymph node 62 SpyGlass System 62 cervical precancer 62 PET Positron Emission Tomography 62 Flow cytometry 62 anastomotic devices 62 D dimer 62 microsatellite instability 62 QTinno TM 62 radiofrequency RF energy 62 basal cell cancers 62 diagnostic 62 Electron beam 62 remnant ablation 62 aneuploidy screening 62 pain palliation 62 endoscopic resection 62 neoplasias 62 intracerebral haemorrhage 62 neuro stimulation 62 radionuclide therapy 62 interventional radiology procedures 62 malignant neoplasms 62 skeletal metastases 62 SIADH 62 x ray mammography 62 hemoperfusion 62 adnexal mass 62 surrogate marker 62 colorectal neoplasms 62 coronary stenting 62 abdominal aneurysms 62 Hormonal therapy 62 pretargeting 62 liposome formulation 62 TUMT 62 TLIF 62 ablations 62 spinal metastases 62 X ray angiography 62 gastric adenocarcinoma 62 varices 62 antithrombotic agents 62 lymph node biopsies 62 DNA methylation markers 62 cartilage regeneration 62 peritoneal carcinomatosis 62 autologous tissue 62 cerebral vasospasm 62 NMP# 62 needleless connectors 62 aerosolized KL4 surfactant 62 positron emission 62 thrombolytic agents 62 Molecular imaging 62 unruptured aneurysm 62 transcatheter aortic valve implantation 62 carotid artery ultrasound 62 noninvasive painless 62 bullous 62 obstructive coronary artery 62 coagulation abnormalities 62 Coronary CT angiography 62 Fourier domain 62 stenoses 62 carotid artery stenting 62 β blockers 62 EBUS FNA 62 fetal fibronectin test 62 Mohs micrographic surgery 62 atrial arrhythmias 62 sputum cytology 62 IOL implantation 62 immunochemical 62 angioplasty stenting 62 Coronary CTA 62 cerebral oximetry 62 Therapeutic hypothermia 62 malignant ascites 62 distal anastomosis 62 NMIBC 62 computed tomographic angiography 62 BrachySil TM 62 neuroendocrine carcinoma 62 myocardial reperfusion 62 differential gene expression 62 pathologic diagnosis 62 osteoid osteoma 62 intracardiac 62 Spinal manipulation 62 liposomal amphotericin B 62 bladeless LASIK 62 transrectal 62 Doppler sonography 62 epithelial tumors 62 medically refractory 62 fundoplication 62 fibrocystic 62 Coronary artery calcium 62 T SPOT.TB 62 radioimmunotherapy RIT 62 laparoscopic technique 62 recurrent bladder 62 pulmonary artery catheterization 62 MitraClip device 62 Vasotrac 62 pharmacological therapies 62 scaphoid fractures 62 Minimally invasive procedures 62 Fully Covered Stent 62 CT colonography 62 karyotyping 62 latent tuberculosis TB 62 hyperalgesia 62 balloon dilation 62 Abdominal ultrasound 62 androgen ablation 62 cervical fusion 62 GI motility disorders 62 urethral stricture 62 Dr. Kauvar 62 endometrial ablation 62 surgically resectable 62 core needle biopsies 62 BladderChek 62 Candida infection 62 CRH O'Regan System 62 Coronary angiography 62 distraction osteogenesis 62 TOGA procedure 62 VTE prophylaxis 62 intranasal corticosteroids 62 PreDx DRS 62 follicular thyroid cancer 62 cardiopulmonary bypass surgery 62 Optical Coherence Tomography 62 mitral stenosis 62 Squamous 62 pathologic correlation 62 mediastinoscopy 62 BRCA mutation carriers 62 ICD implantation 62 minimally invasive therapies 62 coronary stenosis 62 Ultrasonographic 62 non resectable liver 62 Positron emission tomography 62 radiotherapy RT 62 upper gastrointestinal bleeding 62 duplex ultrasonography 62 somatostatin analogues 62 osteopathic manipulative treatment 62 transarterial 62 arterial calcification 62 bioFILM PA ™ 62 minimally invasive technique 62 prostate carcinomas 62 virtual colonography 62 histopathologic 62 tibial plateau fractures 62 coronary arteriography 62 PROCHYMAL 62 warfarin dosage 62 Cardiolite ® 62 Inflammatory diseases 61 cardiac computed tomography 61 FinESS 61 thoracolumbar spine 61 macrolide antibiotic 61 direct thrombin inhibitors 61 ARIDOL 61 Stabilimax NZ 61 carcinoid tumor 61 hepatic tumors 61 intrathoracic 61 prophylactic cranial irradiation 61 thrombo embolic 61 tumor histology 61 pharmacogenetic testing 61 Aggrastat ® tirofiban hydrochloride 61 invasive catheter 61 monogenic 61 indolent lymphomas 61 periprosthetic infection 61 transdermal estrogen 61 body contouring procedure 61 proton MR spectroscopy 61 preoperative MRI 61 digital subtraction angiography 61 metastatic gastric 61 electrophysiology EP 61 idiopathic pulmonary 61 postoperative infections 61 hyperplastic polyps 61 percutaneous drainage 61 postoperative infection 61 endovascular therapy 61 femoral neck fracture 61 preimplantation genetic 61 osseointegration 61 renal calculi 61 postoperative pulmonary 61 chronic periodontitis 61 chest radiography 61 gastric imbrication 61 mechanical thrombectomy 61 primary spontaneous pneumothorax 61 diagnosing osteoporosis 61 CP CPPS 61 biliary obstruction 61 node metastases 61 IGRAs 61 paroxysmal AF 61 stem cell transplantations 61 intra arterial 61 nerve decompression 61 Inhaled nitric oxide 61 carcinoids 61 aortic regurgitation 61 epidural steroid injections 61 FISH fluorescence 61 pharmacologic intervention 61 microdose 61 laparoscopic partial nephrectomy 61 eTag assays 61 biomarker assay 61 micrometastasis 61 AF ablation procedures 61 serological tests 61 node metastasis 61 densitometry 61 ImmuKnow 61 allogeneic HSCT 61 hepatic arterial 61 glomerular filtration 61 Neoadjuvant chemotherapy 61 somatostatin analogs 61 thrombus aspiration 61 coronary CT angiography 61 pulmonary metastases 61 AF ablation 61 hematopoietic cancers 61 transthoracic echocardiography 61 fibrin deposition 61 retinal specialists 61 microdebrider 61 ELISA assays 61 Aspergillus infections 61 ductal carcinomas 61 thyroglobulin 61 oesophagitis 61 etiologic agent 61 sacral neuromodulation 61 PFO closure 61 Computed tomographic 61 ureteral stents 61 Perfusion CT 61 molecular diagnostic assay 61 gastro esophageal reflux disease 61 osteoid 61 radiographic outcomes 61 antifungal therapy 61 vertebral compression fractures VCFs 61 prospective multicenter study 61 gadolinium enhanced 61 nonmelanoma skin cancers 61 NAVISTAR R 61 Carotid artery 61 surgical biopsy 61 medicated stents 61 catheterisation 61 Genetic predisposition 61 Warfarin Coumadin 61 HER2 positive cancers 61 ultrasound elastography 61 hepatorenal syndrome 61 HoLEP 61 percutaneous intervention 61 PSA nadir 61 coil embolization 61 musculoskeletal ultrasound 61 cardioplegic arrest 61 arterial embolization 61 intra operatively 61 cerebral angiogram 61 coronary stenoses 61 pathologic examination 61 sestamibi 61 nephrectomies 61 Chronic pancreatitis 61 miRview TM mets 61 optical colonoscopy 61 Scintigraphy 61 genetic biomarkers 61 colonic polyps 61 diagnostic prognostic 61 pleurodesis 61 radiofrequency RF 61 gastro esophageal reflux 61 Sonography 61 constipation predominant IBS 61 somatosensory evoked potentials 61 surgical aortic valve 61 ANCA associated 61 trabeculectomy 61 Cystoscopy 61 gastroscope 61 tumor excision 61 esophageal reflux 61 thyroid nodule 61 prognostic significance 61 myocardial ischaemia 61 laparoscopic colon 61 venous reflux 61 QuadraSphere 61 electrosurgical generator 61 aortic insufficiency 61 vertebral compression fracture 61 benign neoplasms 61 candidemia 61 etiologic 61 intraoperative complications 61 PICSO ® 61 degenerative spondylolisthesis 61 fluorescence endoscopy 61 Interventional radiology 61 balloon brachytherapy 61 Transcatheter aortic valve implantation 61 transurethral resection 61 abdominal computed tomography 61 Kidney transplantation 61 parathyroid 61 fibroadenomas 61 focal ablation 61 RF ablation 61 kidney urologic 61 UPPP 61 Computed Tomography CT scans 61 cytomegalovirus infection 61 pCLE 61 photon laser 61 Humate P 61 molecular diagnostic assays 61 skin sparing mastectomy 61 pancreatic cyst 61 serous ovarian cancer 61 stent grafting 61 vaginal lesions 61 Pre implantation genetic 61 hip resurfacing arthroplasty 61 intensity modulated radiotherapy 61 graft patency 61 coronary artery blockages 61 antithrombotic agent 61 biliary stones 61 chemoradiotherapy 61 thoracic aortic 61 diagnose Alzheimer disease 61 transfusion syndrome 61 procedural sedation 61 RISPERDAL ® 61 intravascular 61 induced sputum 61 reversible contraceptive 61 sentinel node 61 esophagogastroduodenoscopy 61 cardiac PET 61 miRview mets 61 colon resection 61 neurologic deficits 61 anti angiogenic therapy 61 MR angiography 61 VATS lobectomy 61 Antibiotic prophylaxis 61 Pseudomonas aeruginosa infections 61 corticosteroid injections 61 treat brain aneurysms 61 ultrasonography 61 osteoporotic vertebral fractures 61 Embozene TM Microspheres 61 cystoid macular edema 61 Intravenous immunoglobulin 61 extracorporeal circulation 61 pulmonary artery catheter 61 SLNB 61 catheter ablations 61 noninvasive 61 resectable 61 fibrin glue 61 bovine thrombin 61 tomography imaging 61 cystic lesions 61 bronchoscopic procedures 61 endotoxemia 61 interstitial brachytherapy 61 skin sterol 61 neurogenic bladder 61 DynaCT 61 GISTs 61 CIN3 61 glaucomatous 61 EarlyCDT Lung 61 bladder augmentation 61 cardiac ablation procedures 61 prostate cancer metastases 61 histological subtype 61 miRview ™ squamous 61 interobserver reliability 61 venous ulcers 61 CT coronary angiography 61 bypass grafting 61 repair TEVAR 61 Eisenmenger syndrome 61 AtherOx 61 prostate cancer CaP 61 chondral 61 vesicoureteral reflux 61 obstetric ultrasound 61 NGAL 61 endovascular coiling 61 QTinno 61 Photodynamic therapy PDT 61 FullTerm 61 cTnT 61 CT perfusion 61 florbetaben 61 PD2i ® 61 iUni 61 Lisofylline 61 transcutaneous 60 DaTSCAN 60 Zilver PTX stent 60 multifocal IOLs 60 FXIII 60 Coblation 60 Haptoglobin 60 fluoroscopically guided 60 diagnostic assays 60 superficial bladder cancer 60 thrombi 60 malignant lesions 60 antibiotic regimens 60 superior mesenteric artery 60 nomograms 60 Balloon Sinuplasty TM 60 intravascular imaging 60 corneal thickness 60 ductal lavage 60 thoracentesis 60 retroviral vectors 60 small molecule activators 60 nutrient supplementation 60 cervical cytology 60 molecular assays 60 ano genital warts 60 osteoporotic vertebral compression fractures 60 Radio Frequency Ablation 60 nuchal translucency 60 vein ablation 60 pancreatectomy 60 PET CT scans 60 Mohs surgery 60 invasive angiography 60 nephrogenic 60 NovaSure 60 thetreatment 60 Onychomycosis 60 Sentinel lymph node 60 prognostic biomarkers 60 extracolonic findings 60 Fine needle aspiration 60 coronary blockages 60 BPH LUTS 60 CyPath ® 60 Third Eye Retroscope 60 Asclera 60 malabsorptive 60 debulking surgery 60 decompressive surgery 60 SPECT MPI 60 postoperative AF 60 intragastric balloon 60 PD2i 60 flexible endoscope 60 TBNA 60 sidebranch 60 Randomized clinical trials 60 cervical lymph node 60 serologic tests 60 nonischemic 60 fetal fibronectin 60 transesophageal echocardiography TEE 60 choroidal neovascularization 60 ECLS 60 AngioJet 60 cardioembolic stroke 60 vessel occlusion 60 murine model 60 carotid bruit 60 parathyroidectomy 60 ECG gated 60 locoregional recurrence 60 noninvasive ultrasound 60 CBCT 60 histologic findings 60 chronic thromboembolic pulmonary 60 synthetic grafts 60 non invasive 60 powder diffraction 60 operable breast cancer 60 fFN 60 antibody arrays 60 nonproliferative 60 immunosuppressant therapy 60 revascularization procedures 60 urodynamics 60 PET CT imaging 60 antiangiogenic therapy 60 myofascial pain syndrome 60 mediastinitis 60 cystoscope 60 Interventional cardiology 60 sternal closure 60 ESBA# 60 bifurcation lesions 60 intraobserver 60 IntroductionThe 60 PET CT scanning 60 Cardiac PET 60 Tr DNA 60 secondary amenorrhea 60 intradermal injection 60 Carotid artery stenting 60 bifurcation stent 60 BACcel 60 StomaphyX 60 radiographic findings 60 RDTs 60 Positron emission 60 Cooled ThermoTherapy 60 N. gonorrhoeae 60 Adhibit 60 OnControl 60 hypoxic tumors 60 prenatal diagnostic 60 noncardiac 60 denervation 60 adipose derived stem cell 60 human microdosing 60 troponins 60 treating uterine fibroids 60 acute myocardial ischemia 60 Myocardial Perfusion Imaging 60 opioid antagonists 60 hamartoma 60 inhaled anesthetics 60 mycosis 60 sonographic examinations 60 macrolide antibiotics 60 immunosuppressive regimens 60 antiandrogens 60 sputum specimens 60 total thyroidectomy 60 wavefront guided LASIK 60 PET imaging 60 gastrointestinal GI cancers 60 nodal metastases 60 endoscopically