肺原发性胶样癌一例张录民董鸿义陈喜梅石斌患者男，５５岁。咳嗽、咯痰１月，无咯血。查体：未发现异常。胸部Ｘ线片示左肺下叶背段１．５ｃｍ×２．０ｃｍ圆形阴影，边缘欠光滑，密度均匀，上缘有分叶征。纤维支气管镜检查：未见异常。多次痰脱落细胞检查均阴性。诊断：... A case of primary pulmonary carcinoma of the lung Zhang Huimin Dong Hongyi Chen Ximei Shi Bin Patient male, 55 years old. Cough, expectoration in January, no hemoptysis. Physical examination: No abnormality was found. Chest X-ray films showed a 1.5 cm × 2.0 cm round shadow on the dorsal segment of the left lower lobe. The edges were less smooth and uniform in density. The upper edge had a lobulation sign. Fiberoptic bronchoscopy: no abnormalities. Repeated exfoliative cell tests were negative. diagnosis:...