Ileosigmoid knot.
D000328:Adult; D005260:Female; D006801:Humans; D007077:Ileal Diseases / Q000601:surgery*; D007415:Intestinal Obstruction / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D011248:Pregnancy Complications / Q000601:surgery*; D012810:Sigmoid Diseases / Q000601:surgery*