D6"��vertebrae, ribcage, sternum, pelvis, liver, spleen, kidneys, adrenal glands, pancreas, stomach, small intestine, colon, rectum, nasogastric tube, endotracheal tube, urinary catheter, scap tissue, adhesions, surgical implants, aorta, carotid artery, brachiocephalic artery, subclavian artery, superior vena cava, inferior vena cava, tumor, cyst, abscess�