摘要
肺癌是目前世界上最常见的恶性肿瘤,在男性和女性恶性肿瘤死因中均居首位,严重威胁人类健康。慢性阻塞性肺疾病(简称慢阻肺)是呼吸系统最常见的慢性炎症性疾病,临床工作中也常见到肺癌合并慢阻肺的患者,在流行病学研究中，肺癌与慢性阻塞性肺疾病两者之间往往会存在着一定的联系，具有较高的发生率和死亡率，对患者的身体健康带来较大的伤害。通过对以往两者病症的发病机制进行分析，致病因素相同，在本文中进行了详细的阐述。
关键词： 流行病学；肺癌；慢性阻塞性肺疾病；发病机制
Abstract
Lung cancer is currently the most common malignant tumor in the world. It ranks first among male and female malignant tumor deaths and poses a serious threat to human health. Chronic obstructive pulmonary disease (COPD) is the most common chronic inflammatory disease of the respiratory system. Patients with lung cancer and COPD are also commonly seen in clinical work. In epidemiological studies, lung cancer and chronic obstructive pulmonary disease There is often a certain relationship between the two, with a higher incidence and mortality, which will cause greater harm to the patient's health. By analyzing the pathogenesis of the two diseases in the past, the causative factors are the same, which is explained in detail in this article.
Key words： epidemiology; lung cancer; chronic obstructive pulmonary disease; pathogenesis
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