Related by context. Frequent words. (Click for all words.) 66 bronchoscopy 64 colonoscopy 63 biopsies 62 biopsy 62 colposcopy 62 angiography 61 sigmoidoscopy 61 chest x ray 60 coronary angiography 60 FDG PET 60 ultrasonography 59 prostate biopsy 59 breast biopsies 59 adjuvant therapy 57 needle biopsy 57 PET scan 57 fecal occult blood 56 fluoroscopy 56 sonographic 56 preoperative 56 prostatectomy 56 chemoradiation 56 liver biopsy 56 breast MRI 56 MDCT 55 radiation therapy 55 CT colonography 55 endoscopy 55 BSGI 55 Colonoscopy 55 pre cancerous lesions 54 laparoscopy 54 radical prostatectomy 54 PET CT 54 cardiac catheterization 54 MR imaging 54 Biopsy 54 chest x rays 54 virtual colonoscopy 53 polyps 53 heart catheterization 53 CT scanning 53 adenoma 53 echocardiography 53 sonography 53 histopathology 53 cancerous lesions 53 catheterization 53 PET scans 53 cytology 53 adenomas 53 PET imaging 52 carotid endarterectomy 52 stent placement 52 angiogram 52 capsule endoscopy 52 intraoperative 52 endoscopies 52 resection 52 adjuvant chemotherapy 52 screening mammogram 52 lesions 52 FOBT 52 computed tomography CT 51 endoscope 51 tumor recurrence 51 MRI scans 51 precancerous lesions 51 resected 51 computed tomography 51 catheter ablation 51 lumbar puncture 51 endoscopic 51 Biopsies 51 liver metastases 51 angiographic 51 neoplasms 51 chest X rays 51 Postoperative 51 calcifications 51 imaging scans 51 unnecessary biopsies 50 stereotactic radiosurgery 50 radiographic 50 angiograms 50 fluorouracil 50 SPECT 50 deep venous thrombosis 50 Echocardiography 50 Preoperative 50 endoscopes 50 colonoscopies 50 polyp 50 postoperative complications 50 noninvasive 50 mammography 50 carcinomas 50 CT scan 50 prostate specific antigen 50 ultrasound 50 metastatic renal cell carcinoma