“…For example, a RSS after appendectomy may lead to an external opening and formation of a discharging sinus in the right lower abdominal quadrant. Internal fistulation may also occur into an adjacent adherent hollow organ, such as the stomach, intestine, bladder, sigmoid colon, rectum, or vagina [3,5,6,9,12,13,19,20,[30][31][32][33][34][35][36]. Transmural migration of a RSS may rarely be observed, without any apparent opening on the intestinal wall [34].…”