Related by context. Frequent words. (Click for all words.) 72 coronary angiography 66 angiography 66 angiogram 65 CT angiography 64 echocardiographic 64 scintigraphy 64 MDCT 64 laparotomy 63 liver biopsy 63 fine needle aspiration 62 cystoscopy 62 nephrectomy 62 sentinel node biopsy 62 Angiography 62 sentinel lymph node 62 heart catheterization 62 ultrasonography 61 lobectomy 61 angiograms 61 electrocardiography 61 D dimer 61 thoracotomy 61 myocardial perfusion 61 parathyroid 61 cardiac catheterization 61 Sonography 61 immunohistochemical 60 biopsy 60 bronchoscopy 60 Doppler ultrasound 60 sentinel node 60 ERCP 60 surgical excision 60 Postoperative 60 TURP 60 Intraoperative 59 cholecystectomy 59 resected 59 hematuria 59 catheterization 59 thrombolytic therapy 59 renal transplantation 59 intravascular ultrasound 59 ablations 59 arterial blockage 59 endovascular repair 59 myocardial ischemia 59 duodenal 59 CT scan 58 echocardiogram 58 biopsy specimens 58 adenoma 58 pleural effusion 58 carotid endarterectomy 58 FDG PET 58 uterine fibroid embolization 58 CT computed tomography 58 gallbladder removal 58 cystectomy 58 histologically 58 lavage 58 Biopsies 58 resections 58 chest x ray 58 optical colonoscopy 58 artery blockages 58 biopsies 58 needle biopsy 57 lumbar puncture 57 coronary artery 57 conventional colonoscopy 57 digital rectal examination 57 Biopsy 57 endarterectomy 57 colposcopy 57 intracranial 57 mammographic 57 minimally invasive technique 57 myocardial perfusion imaging 57 coronary angioplasty 57 Preoperative 57 transvaginal ultrasound 57 MR imaging 57 calcifications 57 arterial blockages 57 flexible sigmoidoscopy 57 endoscopically 57 prostate biopsy 57 revascularization 56 histopathology 56 benign lesions 56 Radiographic 56 Aortic 56 Magnetic resonance imaging 56 preoperatively 56 colectomy 56 imaging modality 56 sonography 56 CT Scan 56 abdominal aorta 56 computed tomography CT scans