患者男性，２９岁，咳嗽、咯血丝痰及血痰１年入院。体查：右肺呼吸及右下肺语颤减弱，局部叩诊实音。胸片示心影右缘有一直径３ｃｍ×３ｃｍ圆形影，密度均匀一致，边缘清，与膈肌局限不清。侧位呈椭圆形，距前胸壁１．２ｃｍ，与心影重叠。Ｘ线及临床诊断：右肺囊肿。行... The patient was a 29-year-old male with cough, hemoptysis, and blood stasis admitted to hospital for one year. Physical examination: The right lung breathing and the lower right lung fibrillation were weakened, and partial percussion sounds were heard. The chest radiograph showed that the right edge of the heart shadow had a 3cm×3cm diameter circle, the density was uniform, the edge was clear, and the diaphragm was unclear. The lateral position is elliptical, 1.2 cm away from the chest wall and overlaps with the heart shadow. X-ray and clinical diagnosis: right lung cyst. Row...