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慢性阻塞性肺疾病(简称慢阻肺)与慢性支气管炎和肺气肿密切相关,尽管肺气肿的病变不可逆,但慢性支气管炎的气道阻塞是可逆的,如支气管炎症、分泌物
Chronic obstructive pulmonary disease (COPD) is closely related to chronic bronchitis and emphysema. Although emphysematous lesions are irreversible, airway obstruction of chronic bronchitis is reversible, such as bronchial inflammation, secretions