Objective To enhance the level of diagnosis and to acquire a good therapy to the rare malignant tumor such as lung carcinosarcoma through reviewing the clinical experiences of this case.

• 摘要目的通过复习该病例的诊治经过，提高对肺癌肉瘤等少见恶性肿瘤的诊断水平和探讨治疗方法。