abdomen, abdominal, aorta, aortic, bladder, bladders, bowel, bowels, cava, cavae, colic, colon, colonic, flexure, iliacs, intestine, intestines, kidneys, large, peritoneum, retroperitoneal, retroperitoneum, retropertineal, retropertineum, sigmoid, spleen, ureter, ureteral, ureteric, ureters, urinary, uteral, uteri, uterine, uterus, vena, womb, wombs