在直肠癌手术后手术野范围内发现与原发瘤病理性质相同的癌灶即为局部复发。直肠癌根治性切除术后局部复发率可高达40%左右。局部复发的诊断和治疗均较棘手,这是导致直肠癌病人死亡的重要原因之一。一、直肠癌术后局部复发的特点直肠癌术后局部复发最常见的复发部位是吻合口、 In the scope of surgical field after rectal cancer surgery and found that the same pathological nature of primary tumor is the local recurrence. Local recurrence after radical resection of rectal cancer can be as high as 40%. Local recurrence of the diagnosis and treatment are more difficult, which is one of the important causes of death of patients with rectal cancer. First, the characteristics of local recurrence of postoperative rectal cancer Local recurrence of rectal cancer after the most common site of recurrence is anastomotic,