paracentesis, dural, stenoses, keratoplasty, iliac artery, cannulation, sigmoid colon, recanalization, chondral, iliac, tamponade, arteriotomy, mesenteric, sympathectomy, laparoscopic cholecystectomy, laparotomy, saphenous vein, hepatectomy, descending aorta, innominate artery, coarctation, axillary artery, mitral stenosis, keratectomy, mediastinitis, suprarenal, arteriovenous, osteoid, tortuosity, transection, plication, popliteal artery, opacification, basilar artery, cardiac tamponade, suprapubic, sternal, coronary sinus, septal, thoracic aorta, scleral, capsulotomy, ureters, decortication, circumflex artery, photocoagulation, axilla, calculi, homograft, atrioventricular, ileal, aortic arch, thrombi, parenchymal, tenotomy, valvular, femoral vein, embolectomy, adrenalectomy, obturator, arthrography, intracerebral, thymectomy, leiomyoma, malposition, nephrectomy, subclavian, vitrectomy, cavernous sinus, thoracentesis, abdominal aorta, ostium, dehiscence, thyroidectomy, arteriography, pancreatic duct, tricuspid valve, tricuspid, cholecystectomy, papillary muscle, epiphysis, turbinate, radial artery, meniscectomy, anal canal, enucleation, jejunum, popliteal, bleb, splenic artery, brachial plexus, fibroma, intraventricular, pedicle, supraclavicular, fistulae, ethmoid, percutaneous, lobectomy, atresia, adenoidectomy, superior vena cava, anastomosis, collaterals, plexuses, veins, arteries, shunts, thromboses, venous, distal, proximal, fissures, fistulas, occlusions, sinuses, arterial, convolutions, lymphatics, nodes, branchings