肺平滑肌肉瘤是一种罕见的恶性肿瘤,现将我院收治的1例报道如下; 黄××,男,40岁,因咳嗽,咯血9个月,左下肺发现肿块1月,于1984年12月18日入院。体检:左下肺呼吸音低,胸部X片:左下肺可见一6.5×5.0cm的球形阴影,边缘不规则,侧位片位于左下肺背段,右上肺可见小片状密度增高阴影,边缘不清,两肺门不大,病灶密度不均匀边缘不规则,无短毛刺,痰中未找见癌细胞,纤维支气管镜检在左肺下叶 Lung leiomyosarcoma is a rare malignant tumor. One case reported in our hospital is reported as follows; Huang ××, male, 40 years old, with coughing, 9 months of hemoptysis, and a lump found in the left lower lung during January, 1984 Admitted to the hospital on the 18th. Physical examination: lower left lungs with low breath sounds, chest X-rays: a 6.5 × 5.0 cm spherical shadow in the left lower lung, irregular edges, lateral septal patches in the left lower lung, upper right lungs with increased patch density, unclear edges The two hilars are not large, the lesion density is uneven, the edges are irregular, there are no short burrs, no cancer cells are found in the iliac crest, and fiberoptic bronchoscopy is performed in the left lower lobe.