3 sentences

1. 他的肾脏里发现了结石。

   tā de shèn​zàng lǐ fā​xiàn le jié​shí.

   Stones were found in his kidneys.

   Source: Dong Chinese Dictionary

2. 肾结石可能会阻塞输尿管。

   shèn jié​shí kě​néng huì zǔ​sè shū​niào​guǎn.

   Kidney stones can block the ureter.

   Source: Dong Chinese Dictionary

3. 我有肾结石。

   wǒ yǒu shèn jié​shí.

   I have kidney stones.

   Source: OpenSubtitles