英语语法分析

Objective To reduce complications of gastrectomy.

目的减少胃大部切除术后并发症。

Title: Gastric adenocarcinoma with distant metastasis: is gastrectomy necessary?

标题：伴有远处转移的胃腺癌有必要行胃切除术吗？

Objective To summarize the experience of total gastrectomy for gastric carcinoma.

目的分析和总结胃癌全胃切除术治疗经验。