A thoracotomy provides excellent exposure to divide the adhesions between the trapped viscera and lung parenchyma.

开胸手术提供一个较优的暴露空间，可以将疝脱的腹腔脏器与肺实质间的沾黏分开。

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It is unknown why only a minority of circulating tumor cells trapped in lung capillaries form metastases and involvement of immune cells remains uncertain.

为什么只有少量循环肿瘤细胞进入肺毛细血管形成转移还不清楚，其中涉及的免疫细胞也不确定。

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Bill has a lung condition that impedes his mobility, making the prospect of being trapped in a smoke-filled home all the more frightening.

CNN: Wildfire victims face second tragedy

The lung tissue reacts to the dust by developing nodules and scarring around the trapped silica particles.

BBC: Kidney disease 'risk from silica'