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伴有淋巴结切除（Ｉｙｍｐｈａｄｅｎｅｃｔｏｍｙ，ＬＡＥ）的大肠癌手术已广泛应用近一个世纪，切除所有潜在受累的淋巴组织的ＬＡＥ的优点在于：①可减少局部复发，提高长期生存率。切缘受累或有淋巴播散者，８５％日后局部复发。②获得精确的病理分期，以制定合理的辅助治
Colorectal cancer surgery with Iyphaphadenectomy (LAE) has been widely used for nearly a century. The advantages of removing LAE from all potentially involved lymphoid tissues are: 1 It can reduce local recurrence and improve long-term survival. In patients with marginal involvement or lymphatic dissemination, 85% locally recurred later. 2 Obtain an accurate pathological stage for the establishment of a reasonable auxiliary treatment