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９例经病理检查证实矽肺合并肺癌病例临床资料和Ｘ线胸片分析，肺癌早期近似矽肺合并肺部感染和肺结核表现占８９％。其特点是感染迁延不愈、反复小咯血、顽固性胸痛、血性胸水。肺门和纵隔淋巴结转移早，胸片具有一般肺癌特征。两上叶和中央型肺癌居多，注意两上叶肺癌与肺结核和矽肺融合灶合并存在。
9 cases of silicosis confirmed by pathological examination of clinical data and X-ray chest X-ray analysis of early lung cancer similar to silicosis and pulmonary tuberculosis accounted for 89%. It is characterized by persistent infection infection, repeated small hemoptysis, intractable chest pain, bloody pleural effusion. Hilar and mediastinal lymph node metastasis early, chest radiograph with the general characteristics of lung cancer. Two on the leaves and central lung cancer mostly, pay attention to the two leaves of lung cancer and tuberculosis and silicosis fusion exist.