Fig. 1From: A case of sigmoid colon perforation due to segmental absence of intestinal musculature (SAIM) accompanied by vascular Ehlers–Danlos syndrome: a case reportComputed tomography of the abdominal to pelvic region on postoperative day 11 shows a tear of the intestinal wall dorsal to the sigmoid colon, with a suspected perforation at the same area (arrow a). Free air is seen late in the retroperitoneum in front of the graft (arrow b)Back to article page