患者 ,男性 ,40岁 ,因“右胸胀痛伴乏力、发热、咳嗽、痰中带血 2 0 d”于 1994年 4月 8日收入院。患者既往无吸烟史和肺部疾病史 ,入院前无盗汗、消瘦 ,痰中带血无规律间断出现 ,为淡红色血丝 ,量少。入院查体未见异常体征。入院后体温持续波动于 37℃～ 38℃ ;化验白细胞计数 The patient, male, aged 40, was admitted to the hospital on April 8, 1994 for “right chest pain and weakness, fever, cough, bloody sputum 20 days”. No previous history of smoking and lung disease in patients with history, no night sweats before admission, weight loss, irregular bloody sputum appear intermittently, as light red bloodshot eyes, less. No abnormal signs of admission examination. After admission, body temperature continued to fluctuate between 37 ℃ ~ 38 ℃; test white blood cell count