慢性阻塞性肺病(简称慢阻肺)本身就是一种具有多种表现的疾病,其经典表现形式有两种:肺气肿和慢性支气管炎,它们在肺癌发生发展中都发挥着重要作用。慢阻肺和肺癌具有共同的病因和发病机制。慢阻肺是肺癌的高危因素现在已经明确慢阻肺是肺癌的主要高危因素之一,这是因为两者的高危因素也大致相同,与吸烟、粉尘、空气污染有关。每年约有1%的 Chronic obstructive pulmonary disease (COPD) itself is a multi-manifestation of the disease, its classic manifestations of two kinds: emphysema and chronic bronchitis, which play an important role in the development of lung cancer. COPD and lung cancer have a common etiology and pathogenesis. Chronic obstructive pulmonary disease is a high risk factor for lung cancer It is now clear that chronic obstructive pulmonary disease is one of the major risk factors for lung cancer because the risk factors for both are roughly the same and are related to smoking, dust and air pollution. About 1% of each year