在临床工作中 ,经常有一些肺癌患者 ,无任何呼吸道症状 ,往往以转移灶为首发临床表现 ,故早期诊断较为困难 ,极易误诊。本文旨在提高对以转移为首发症状的肺癌的认识和早期诊断水平。1　临床资料1.1　一般资料　 1992～ 1999年 9月 ,我院收治 2 3例。男 2 1例 ,女 2例 ;年龄 36 In clinical work, there are often some patients with lung cancer, without any respiratory symptoms, often with metastatic foci as the first clinical manifestation, so early diagnosis is more difficult, and it is easy to misdiagnose. This article aims to raise awareness and early diagnosis of lung cancer with metastatic symptoms as the first symptom. 1 Clinical data 1.1 General information From 1992 to September 1999, 23 patients were treated in our hospital. Male 21 cases, female 2 cases; age 36