Objective To analyze esophageal carcinoma(EC) resection and mechanism of one-layered cervical esophagogastrostomy in the prevention of anastomotic leakage and positive margin.

• 摘要目的分析食管癌(EC)切除，颈部食管胃1层吻合术预防吻合口瘘及切端癌阳性的临床机制。