近年肺癌的发病率日趋增多，肺癌的早期临床表现常似各种呼吸道疾病的症状，因而易导致误诊、漏诊。本文报告一例反复肺部感染合并肺癌病人，在临床上以反复咳嗽、气紧、间断性咯血为主要症状，胸片、CT检查、以及痰液病理检查均不能明确肺癌诊断。临床上一直以肺部感染，慢性 In recent years, the incidence of lung cancer is increasing day by day. The early clinical manifestations of lung cancer often resemble the symptoms of various respiratory diseases, which can easily lead to misdiagnosis and missed diagnosis. This article reports a case of repeated lung infections with lung cancer patients, clinically with repeated cough, tight, intermittent hemoptysis as the main symptoms, chest X-ray, CT examination, and sputum pathological examination were not clear lung cancer diagnosis. Has been clinically infected with the lungs, chronic