英语语法分析

This study involved patients with severe acute pancreatitis complicated by walled-off pancreatic necrosis managed endoscopically.

此项研究纳入行内镜治疗的 胰腺透 壁性坏死并发重症急性胰腺炎患者。

Background: Benign biliary strictures are typically managed endoscopically whereby an increasing size or number of plastic stents is placed at ERCP.

研究背景：良性胆管狭窄的治疗通常通过在ERCP过程中增加支架规格及支架数量来解决。

Methods 56 patients with submucosal leiomyomas of esophagus were treated endoscopically. The technique consisted of incision of the overlying tissue followed by tumor stripping using a needle knife.

方法56例黏膜下平滑肌瘤经内镜进行治疗，治疗中用针形刀首先切开肿瘤表面组织然后剥离瘤体组织。