摘要
Case report The patient was male, 64 years old, admitted to hospital due to Repeatedly cough for two months. Two months ago in the patients with no obvious incentive to appear repeatedly coughing, without sputum, no chest tightness, chest pain or fever symptoms such as. Chest X-ray examination suggested that the right middle lung of a huge high-density mass shadow, measuring about 9 cm, fuzzy edge, density uniformity （Fig. 1）. Chest CT suggested that the great mass of right middle lobe, was lobulated mass, mediastinal lymph node enlargement did not found （Fig. 2）. Fiberoptic bronchoscopy could be seen right middle lobe lateral segment had a thing blocking the lumen,
