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原发性支气管肺癌(简称肺癌)是最常见癌瘤之一,近年来发病率不断上升,且在许多国家中已占男性癌瘤的首位。 一、发病情况:近20～30年来,肺癌的发病率不断上升。肺癌发病的特点是:男性比女性多2～5倍,但近年来女性患者及40岁以下的中青年患者比前增多。工业城市及工矿发病率均高于农村。发病率与吸烟量有密切关系。
Primary bronchogenic lung cancer (referred to as lung cancer) is one of the most common cancers. The incidence has been rising in recent years, and has occupied the first place among male cancers in many countries. First, the incidence of the situation: In the past 20 to 30 years, the incidence of lung cancer continues to rise. The onset of lung cancer is characterized by the fact that men are 2 to 5 times more likely than women, but in recent years, women and young adults under the age of 40 have increased. Industrial cities and industrial and mining incidence rates are higher than in rural areas. The incidence rate is closely related to the amount of smoking.