2 sentences

1. 医生正在检查患者的胸腔。

   yī​shēng zhèng​zài jiǎn​chá huàn​zhě de xiōng​qiāng.

   The doctor is examining the patient's thoracic cavity.

   Source: Dong Chinese Dictionary

2. 你从来没动过胸腔手术吧？

   nǐ cóng​lái méi dòng guo xiōng​qiāng shǒu​shù ba?

   You've never opened up a chest during surgery, have you?

   Source: OpenSubtitles