肺是人体各种恶性肿瘤转移的好发部位，据资料统计，死于恶性肿瘤的患者中，约20％－54％有肺部转移。早期肺部转移X线平片诊断有一定困难，且容易漏诊。本文收集我院1992年9月一1997年5月间27例肺部早期转移瘤资料进行回顾性分析。l临床资料l.1一般资料：本组27例患者。男性22 The lung is the predilection site for various malignant tumor metastases in the human body. According to statistics, approximately 20% to 54% of patients who died of malignant tumors have pulmonary metastases. Early diagnosis of lung metastases is difficult and missed. This article collects retrospective analysis of 27 cases of metastatic lung tumors from September 1992 to May 1997 in our hospital. l Clinical data l.1 General information: 27 patients in this group. Male 22