3 sentences

1. 医生检查了他的肠胃。

   yī​shēng jiǎn​chá le tā de cháng wèi.

   The doctor examined his stomach and intestines.

   Source: Dong Chinese Dictionary

2. 他因为肠梗阻被送往医院急救。

   tā yīn​wèi cháng gěng​zǔ bèi sòng​wǎng yī​yuàn jí​jiù.

   He was rushed to the hospital for emergency treatment due to an intestinal obstruction.

   Source: Dong Chinese Dictionary

3. 医生正在为病人处理手术后遗留的肠粘连问题。

   yī​shēng zhèng​zài wèi bìng​rén chǔ​lǐ shǒu​shù hòu yí​liú de cháng nián​lián wèn​tí.

   The doctor is treating the patient for intestinal adhesions left after surgery.

   Source: Dong Chinese Dictionary