Malignant teratoma with fistulous communication to the rectosigmoid.
D012809:Colon, Sigmoid / Q000000981:diagnostic imaging; D003108:Colonic Diseases / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D007412:Intestinal Fistula / Q000000981:diagnostic imaging; D008875:Middle Aged; D010051:Ovarian Neoplasms / Q000000981:diagnostic imaging; D011859:Radiography; D012003:Rectal Fistula / Q000000981:diagnostic imaging; D013724:Teratoma / Q000000981:diagnostic imaging