例句 /

Abstract: 50 cases of elderly patients with esophageal cancer complicated with postoperatire anastomotic stricture were managed by ballon dilator. 41 cases were follower up for half to 3 years.

Abstract: 50 cases of elderly patients with esophageal cancer complicated with postoperatire anastomotic stricture were managed by ballon dilator. 41 cases were follower up for half to 3 years.

文摘:目的进一步探讨治疗老年人食管癌术后吻合口狭窄的方法。