患者　男 ,2 7岁。因查体发现“左肺包块 2年 ,伴胸闷、气短 1年”入院。患者无咳嗽、咳痰、午后低热、盗汗等 ,按“结核”给予正规治疗 1年 ,症状无缓解且CT检查左肺包块较前无明显变化 ,生命体征正常 ,实验室检查未见异常。X线 :左肺门影增大 ,左肺中野近肺门处可见不规则包 Male patient, 27 years old. Because of physical examination found that “left lung mass 2 years, with chest tightness, shortness of breath for 1 year” admitted. Patients without cough, sputum, afternoon fever, night sweats, etc., according to “tuberculosis” to give regular treatment for 1 year, no symptoms and CT examination of the left lung mass no significant changes in the previous, vital signs normal, no abnormal laboratory tests. X-ray: left hilar shadow increases, the left lung near field hilar an irregular package can be seen