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肺癌是最常见的恶性肿瘤之一，多发于中老年人，近年来其发病率逐年上升。老年人肺癌由于病人自身的因素或医务人员的忽视，易延误诊断，影响病人的治疗及预后。本文收集了1986年1月至1996年1月延误诊断的老年人肺癌78例，对误诊的原因进行分析，旨在提高老年人肺癌的诊断率，
Lung cancer is one of the most common malignancies, occurring mostly in the middle-aged and the elderly. In recent years, its incidence has increased year by year. Elderly patients with lung cancer due to the patient’s own factors or the neglect of medical staff, it is easy to delay diagnosis, affect the patient’s treatment and prognosis. This article collected 78 elderly patients with lung cancer diagnosed from January 1986 to January 1996, and analyzed the causes of misdiagnosis to improve the diagnostic rate of elderly patients with lung cancer.