Single-Incision Laparoscopic Surgery for Colon Cancer in Pat
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Situs inversus totalis is a rare congenital disorder, in 1 of 5,000 to 10,000 live births. SIT denotes a complete right-left inversion of thoracic and abdominal viscera. Accordingly, surgical procedures are considered more difficult in patients with SIT than others because of different anatomic positions of organs, especially in laparoscopic surgery. While laparoscopic colorectal surgery recently has become a standard procedure, only seven previous reports of laparoscopic surgery for colonic disease in patients with SIT are available.
Recently, single-incision laparoscopic colectomy (SILC) has been described through case reports and small case series. The single-incision technique results in improved cosmesis with the potential for decreased pain and fewer incisional hernias. To the best of our knowledge, this is the first case report of colon cancer associated with SIT that is successfully treated with SILC.

Case Presentation
An 87-year-old man was admitted because of a fecal occult blood with severe anemia. He had not suffered previous episodes of abdominal colicky pain and distension. There was no medical history of abdominal surgery. A colonoscopy revealed cecal tumor about 50 mm in size, and it was diagnosed by colon biopsy as a well-differentiated adenocarcinoma. An air-barium contrast enema showed the right-sided descending colon and the left-sided ascending colon and cecum. Computed tomography showed complete transposition of thoracic and abdominal viscera, confirming SIT....