胃造口术

例句：

1. 1.The patient's gastric acid levels were elevated during the test.
   病人在测试期间胃酸水平升高。
2. 2.He was diagnosed with a gastric ulcer after undergoing surgery.
   他在手术之后被诊断出患有胃溃疡。
3. 3.The doctor advised her to avoid spicy food and greasy foods for a month.
   医生建议她一个月内避免吃辛辣和油腻的食物。