Fig. 6From: Laparoscopic resection of a metachronous secondary lymph node metastasis in the mesentery of the ileum after surgery for sigmoid colon cancer with ileum invasion: a case reporta Metastasis in the para-aortic lymph node was not observed by the preoperative CT scan. b The para-aortic lymph node metastasis was found by a follow-up abdominal contrasting CT scan one and a half years after the operation. The arrow shows the lymph node metastasisBack to article page