malignant tumor of lung

例句：

1. 1.The patient was diagnosed with a malignant tumor of the lung.
   患者被诊断出患有肺部恶性肿瘤。
2. 2.This is a rare but serious condition that requires immediate treatment.
   这是一种罕见的严重疾病，需要立即治疗。
3. 3. Early detection and treatment can significantly improve the prognosis for patients with lung cancer.
   早期发现和治疗可以显著改善肺癌患者的预后。