患者男,57岁。反复咳嗽、咳痰伴间断咯血1个月。无畏寒、发热,无头昏、头痛,无胸痛,无潮热、盗汗,无饮水呛咳及吞咽困难。曾行胸片检查示双肺纹理增多。CT示:上纵隔右旁见3cm×4cm软组织肿块影,并累及气管,向气管内突入,气管变窄,周围界限模糊,增强后呈不均匀周边强化。双肺野 Male patient, 57 years old. Repeated cough, sputum with intermittent hemoptysis 1 month. No chills, fever, no dizziness, headache, no chest pain, no hot flashes, night sweats, no water cough and difficulty swallowing. Chest radiography had chest lungs increased texture. CT showed: on the right side of the mediastinum see the 3cm × 4cm soft tissue mass, and involving the trachea, tracheal intrusion, tracheal narrowing, the surrounding boundaries blurred, enhanced after uneven perimeter enhancement. Double lung field