1病例报告患者男,64岁,因反复咳嗽、咳痰近4个月入院。2011年2月受凉后出现咳嗽、咳痰,呈白色泡沫样痰,无痰中带血、发热、胸痛等,自服“头孢拉定、罗红霉素、止咳糖浆”后症状无明显改善。实验室检查结果 :白细胞14.7×109/L,中性粒细胞0.8,淋巴细胞0.09,红细胞4.24×1012/L,血小板201×109/L,血红蛋白129 g/L。血液肿瘤标记物CA125 144.4 A case report Male patient, 64 years old, due to repeated cough, sputum nearly 4 months admitted to hospital. February 2011 after the cold appeared cough, sputum, white foam-like sputum, no sputum bloody, fever, chest pain, self serving “cefradine, roxithromycin, cough syrup,” no significant improvement in symptoms. Laboratory tests showed that white blood cells 14.7 × 109 / L, neutrophils 0.8, lymphocytes 0.09, erythrocytes 4.24 × 1012 / L, platelet 201 × 109 / L and hemoglobin 129 g / L. Hematological tumor marker CA125 144.4