Appendicoenterosigmoid fistula.
D001064:Appendicitis / Q000150:complications; D001065:Appendix; D012809:Colon, Sigmoid; D006801:Humans; D007412:Intestinal Fistula / Q000000981:diagnostic imaging / Q000209:etiology / Q000601:surgery; D008297:Male; D008875:Middle Aged; D011859:Radiography