Related by context. Frequent words. (Click for all words.) 62 optical colonoscopy 61 colonoscopy 60 conventional colonoscopy 59 colonoscopies 59 fecal occult blood 58 flexible sigmoidoscopy 58 screening colonoscopy 58 gallbladder removal 57 liver biopsies 56 FOBT 56 coronary angiography 56 colposcopy 56 sigmoidoscopy 56 prostate biopsy 56 breast biopsies 56 cystoscopy 55 digital rectal examination 55 colectomy 55 sentinel node biopsy 55 surgical excision 54 Colonoscopies 54 postoperative complications 54 endoscopists 54 laparotomy 54 percutaneous coronary interventions 54 Colonoscopy 54 endoscopist 54 nephrectomy 54 TURP 53 catheterizations 53 transvaginal ultrasound 53 Virtual colonoscopy 53 screening mammogram 53 pre cancerous polyps 53 prostate biopsies 53 digital rectal exam 53 cystectomy 53 chest x ray 53 CT angiography 52 endarterectomy 52 Prostate Specific Antigen PSA 52 cholecystectomy 52 invasive procedures 52 needle biopsies 52 finger prick 51 resections 51 ERCP 51 cardiac catheterizations 51 endoscopic procedures 51 lobectomy 51 repeat revascularization 51 thrombolytic therapy 51 thoracotomy 51 carotid endarterectomy 51 Biopsies 51 intravenous chemotherapy 51 tumor resection 51 noninvasive imaging 51 intramuscular injections 51 pelvic exam 51 EBRT 51 liver biopsy 50 carotid artery stenting 50 endoscopies 50 postsurgical 50 mammographic 50 grade dysplasia 50 chlorhexidine 50 RF ablation 50 biopsies 50 coronary revascularization 50 biopsy 50 chest x rays 50 prophylactic mastectomy 50 curettage 50 Pap smear 50 endometrial ablation 50 Computed tomography 50 bariatric procedures 50 epidural anesthesia 50 Minimally invasive 50 computed tomography CT scans 49 mammographies 49 Doppler ultrasound 49 angioplasty procedures 49 cancerous lesions 49 gynecological exam 49 epithelial ovarian cancer 49 Cataract surgery 49 laparoscopic procedure 49 % CI #.#-#.# [003] 49 myomectomy 49 prostatectomy 49 anticoagulation therapy 49 colorectal screening 49 serum PSA 49 CT colonography 49 pelvic exams 49 electrocardiography 48 biochemical recurrence 48 mammography screenings