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本文分析经随机抽样的７３例老年肺癌和４２例青年肺癌的临床特点，发现老年组以鳞癌居多，青年组以小细胞癌多见，老年组的误诊率和转移率明显低于青年组，提出了对老年肺癌和青年肺癌诊断和治疗方面的意见。
This paper analyzes the clinical features of randomly sampled 73 elderly lung cancer patients and 42 young adult patients with lung cancer, and finds that the majority of the elderly patients are squamous cell carcinomas. The young patients are more common with small cell carcinomas. The misdiagnosis rate and metastasis rate of the elderly patients are significantly lower than that of the young patients. Presented opinions on the diagnosis and treatment of lung cancer in the elderly and young people with lung cancer.