患者男性,47岁,因双侧乳房交替肿大7个月,发热伴咳嗽2月,伴左胸痛半月于1995年8月12日入院。有吸烟史25年,每天20支,未曾服过性激素类药物。入院时体检:神清,发育好,浅表淋巴结未肿大,胸廓无异常,左侧乳房肿大,大小为3cm×3cm,质软,无触痛及溢乳汁,右乳无肿大,左下肺呼吸音稍低,心腹正常,外生殖器无异常,杵状指较明显。胸 The patient was a 47-year-old man with bilateral breast enlargement for 7 months, fever with cough for 2 months, and left chest pain for half a month admitted to hospital on August 12, 1995. A history of smoking 25 years, 20 a day, has never taken sex hormone drugs. Physical examination on admission: clear, well-developed, superficial lymph nodes without enlargement, no abnormal chest, left breast enlargement, size 3cm × 3cm, soft, no tenderness and overflow milk, right breast without swelling, left lower The breath sounds of the lungs were slightly lower, their palates were normal, there was no abnormality in the external genitalia, and the clubbing was obvious. chest