inferior vena cava, cavernous sinus, coronary sinus, caval, iliac artery, subclavian, splenic artery, subclavian vein, pyloric, extracranial, axillary artery, arteriovenous, basilar artery, subclavian artery, femoral vein, thoracic aorta, popliteal artery, venous, anal canal, ostium, aortic arch, dural, innominate artery, bleb, anastomotic, tricuspid valve, spermatic cord, myxoma, lymphatics, abdominal aorta, pulmonary vein, embolus, intrathoracic, jejunal, valvular, intracardiac, mediastinum, atraumatic, superior mesenteric artery, sigmoid colon, uterine artery, septal, tortuosity, parenchymal, saphenous, endocardial, intracerebral, radial artery, intraventricular, choroidal, stenoses, popliteal, distally, peritoneal cavity, vertebral artery, aneurysmal, descending aorta, varicosities, scleral, iliac vein, tracheobronchial, acetabulum, thrombosed, intima, foramen, cardiac tamponade, mesenteric, thrombi, mitral stenosis, meningeal, thoracic duct, extravasation, vena cava, arteriotomy, circumflex artery, ascending aorta, basilar, duodenal, anterior, axillary, hilar, extracapsular, septal defect, obturator, cannulated, opacification, atrioventricular node, intracranial, semicircular canal, retroperitoneal, subarachnoid space, hydronephrosis, medially, pericardial, dehiscence, hepatic vein, tamponade, tubule, ureters, supraclavicular, jejunum, splenic

vena cava

precava