Group two included 180 patients whose esophageal stumps were oversewn by 6-8 interrupted stitches, or by a continuous stitch along the stump before the anvil was in place.

• 第二组180例，食管残端在荷包钳处理的基础上，再间断全层缝合食管壁并结扎缝线，或沿食管残端连续全层缝合一周，放入抵钉座后结扎缝线。