Anastomotic recurrence in 6 colorectal cancer cases during the postoperative surveillance between 2008 and 2015 was evaluated retrospectively. Five cases had undergone DST anastomosis for sigmoidectomy and proctectomy. They had a pathological tendency to have T3 tumor and deeper, positive lymph node metastases and positive lymphatic and vascular invasion. There were 2 cases with the anastomotic recurrence diagnosis 6 to 8 months after the primary tumor resection while 4 resected cases had recurrent tumor depth of T3, though 3 cases were diagnosed 1 year after the primary tumor resection. Anastomotic recurrence should be considered a few months after primary tumor resection.
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