医生诊断出他的肝脏出现了纤维化。

The doctor diagnosed him with liver ___fibrosis.

肺部纤维化会导致呼吸功能逐渐下降。

Pulmonary ___fibrosis causes a gradual decline in respiratory function.

长期吸烟会导致肺部纤维化。

Long-term smoking can cause ___fibrosis in the lungs.