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肺癌,传统医学称为“肺积”、“息贲”, 是当今较常见的呼吸道恶性肿瘤。过去曾是一种罕见病,近几十年来,许多国家都报道肺癌的发病率明显增多,特别是工业发达的欧美国家,在男性癌瘤病人中肺癌占居首位。肺癌的病因至今不完全明确,大量调查资料显示,环境污染与肺癌发病率高有密切关系。美国的肺癌病人在最近50年里,男性增加了18倍,女性增加了6倍。我国肺癌的发病率也同样有增多的趋势。上海市1960～1975年15年,肺癌发病率增长3.5倍,发病顺序在全部恶性肿瘤病人中从第6位,上升到第2位,具有跃居第1位的趋向。男女性肺癌发病率分别为24.对/10万人口和9.35人/10万人口。
Lung cancer, traditional medicine known as “lung plot”, “Ben Ben,” is now more common malignant tumors of the respiratory tract. In the past was a rare disease, in recent decades, many countries have reported a significant increase in the incidence of lung cancer, especially in industrialized countries in Europe and America, among the male cancer patients lung cancer occupy the first place. The cause of lung cancer is not yet fully clear, a large number of survey data show that environmental pollution and the high incidence of lung cancer are closely related. In the last 50 years, the number of lung cancer patients in the United States has increased 18 times for males and 6 times for females. The incidence of lung cancer in our country also has an increasing trend. In the 15 years from 1960 to 1975 in Shanghai, the incidence of lung cancer increased by 3.5 times, and the order of incidence increased from No. 6 to No. 2 in all malignant tumors with the tendency to rank No. 1. The incidence rates of lung cancer among men and women were 24. per 100,000 population and 9.35 per 100,000 population.