Related by context. Frequent words. (Click for all words.) 71 chest x ray 70 chest X rays 62 chest X ray 59 CT scans 58 screening mammogram 57 coronary angiography 57 fecal occult blood 57 sigmoidoscopy 57 CT scan 56 biopsies 56 angiograms 55 CAT scan 55 colonoscopy 55 radiographs 55 CAT scans 55 colposcopy 55 ultrasonography 54 liver biopsy 54 echocardiogram 54 FOBT 54 lumbar puncture 54 cystoscopy 54 Pap smear 53 CT colonography 53 pap smear 53 mSv 53 ultrasound scans 53 bronchoscopy 52 biopsy 52 mammogram 52 echocardiograms 52 needle biopsy 52 spirometry 52 computed tomography 52 endoscopies 52 digital rectal exam 52 ECGs 51 radiograph 51 diagnoses 51 breast MRI 51 x rays 51 MRI scans 51 screening mammograms 51 electrocardiograms 51 histopathology 51 BSGI 51 prostate biopsy 50 mammograms 50 imaging scans 50 angiogram 50 scans 50 ultrasound scan 50 asymptomatic 50 Colonoscopy 50 X rays 50 angiography 49 EKGs 49 adenoma 49 sonographic 49 computed tomography CT 49 colonoscopies 49 MRIs 49 PET scan 49 pelvic exam 49 specific antigen 49 x ray 48 X ray 48 pap smears 48 prescribed antibiotics 48 adenomas 48 Pap test 48 echocardiography 48 rectal bleeding 48 cardiac catheterization 47 cytology 47 amniocentesis 47 preoperatively 47 pre cancerous lesions 47 dense breasts 47 EKG 47 polyps 47 sputum 47 radiographic 47 sonography 47 Echocardiography 47 neoplasms 47 endoscopy 47 electrocardiogram ECG 47 workup 47 ultrasounds 47 microscopic examination 46 FDG PET 46 MDCT 46 rectal exam 46 postoperative complications 46 fluoroscopy 46 heart catheterization 46 spinal tap 46 prescribe antibiotics 46 radiography 46 abnormalities