pneumolith

例句：

1. 1. The patient was diagnosed with pneumolithiasis, which is a condition where small stones form inthe lungs.
   患者被诊断出患有肺结石症，这是一种肺部形成小石头的状况。
2. 2. The doctor advised the patient to undergo surgery to remove the pneumolith from his lungs.
   医生建议患者接受手术，以从他的肺部取出肺结石。
3. 3. Pneumolithiasis can be caused by various factors, including smoking and long-term exposure to certain chemicals.
   肺结石症可以由各种因素引起，包括吸烟和长期暴露于某些化学物质。