肺癌是最常见的肿瘤之一,在英、美等国家,发病率已占各种恶性肿瘤的首位,在我国肺癌发病率及死亡率也有明显上升,同时青年肺癌也似有增加趋势。青年肺癌恶性程度高,转移快,预后差,临床上常误诊为肺结核、淋巴瘤及其他肺部疾病。本文将我院1960年1月～1984年7月收治的30岁以下青年肺癌21例,加以讨论分析。临床资料一、资料来源,本组21例均有病理学证 Lung cancer is one of the most common tumors. In countries such as the United Kingdom and the United States, the incidence rate has occupied the first place in all types of malignant tumors. The incidence and mortality of lung cancer in China have also increased significantly. At the same time, young people with lung cancer also seem to have an increasing trend. Young lung cancer has a high degree of malignancy, rapid metastasis, poor prognosis, and is often misdiagnosed as pulmonary tuberculosis, lymphoma, and other lung diseases. This article will discuss 21 cases of lung cancer among young people under 30 years of age from January 1960 to July 1984 in our hospital. Clinical data I. Sources of data, 21 cases of this group have pathological certificate