Related by context. Frequent words. (Click for all words.) 68 fecal occult blood 67 barium enema 66 flexible sigmoidoscopy 64 Prostate Specific Antigen 62 abdominal ultrasound 62 digital rectal exams 62 digital rectal examination 61 optical colonoscopy 61 bone density scans 61 screening colonoscopy 60 sigmoidoscopy 60 Prostate Specific Antigen PSA 59 fine needle aspiration 59 thyroid nodules 59 Colorectal Cancer Screening 58 surgical biopsy 58 fingerstick 58 FOBT 58 CT Colonography 58 immunohistochemical 58 colonoscopy 58 chest x rays 57 histopathologic 57 liver biopsy 57 computed tomography CT scans 57 colorectal lung 57 radical nephrectomy 57 colorectal screening 57 transurethral resection 57 coronary angiography 57 antibiotic prophylaxis 57 Computed tomography 57 colorectal cancer screenings 56 serologic 56 NMP# 56 ovarian breast 56 KRAS mutations 56 OGTT 56 scintigraphy 56 cervical smears 56 DEXA 56 transvaginal ultrasound 56 CT colonography 55 PreGen Plus 55 biopsy specimens 55 Virtual Colonoscopy 55 cystoscopy 55 digital rectal exam 55 endoscopists 55 NHANES III 55 glomerular filtration rate 55 sentinel node biopsy 55 aspirin beta blockers 55 HBsAg 55 CT angiography 55 sentinel lymph node biopsy 55 subgroup analyzes 55 endoscopist 55 breast biopsies 55 colon cancer screening 55 PSA prostate 55 colorectal cancer CRC 55 cervical intraepithelial neoplasia 54 neoadjuvant therapy 54 Colonoscopies 54 thrombophilia 54 bone density screenings 54 prostate specific 54 OVA1 54 specific antigen 54 squamous 54 serum PSA 54 tissue biopsies 54 Patients Undergoing 54 Biopsies 54 chorionic villus sampling 54 mammograms colonoscopies 54 sentinel nodes 54 Virtual colonoscopy 54 FDG PET 54 chest x ray 54 prostate biopsy 54 sensitivity specificity 54 Ultrasonography 54 conventional colonoscopy 54 microbiologic 54 multivariate analyzes 54 Chlamydia trachomatis 54 prostate colon 53 fluvastatin 53 pancreatic adenocarcinoma 53 HbA1C 53 advanced adenomas 53 Human Papillomavirus 53 Colonoscopy 53 Arch Intern Med 53 Patient Registry 53 lipid lowering drugs 53 needle biopsies 53 dental x rays 53 total cholesterol HDL