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近十多年来,各国肺癌的发病率惊人地升高,我国亦不例外。许多国家肺癌占男性癌肿死亡的第一位。据我国各地统计,肺癌死亡率占各种癌肿死亡的第一至第五位之间。上海市1960—1975年增加了5倍.据广州市某区统计,肺癌曾占第一位。我省中山县,在十年之中,肺癌发病人数增加了一倍。国外如美国,1950年死于肺癌者为18,313人,现在每年死亡接近80000人,而且,仍有上升之趋势。由于肺癌严重威胁人民的生命,因此
In the past decade or so, the incidence of lung cancer has increased dramatically in various countries. China is no exception. In many countries, lung cancer accounts for the first death of male cancer. According to statistics from all parts of the country, lung cancer mortality accounts for between the first and fifth deaths of various cancers. Shanghai increased from 1960 to 1975 by five times. According to statistics from a certain district in Guangzhou, lung cancer once occupied the first place. In Zhongshan County in our province, the number of people suffering from lung cancer has doubled in the decade. In foreign countries such as the United States, there were 18,313 people who died of lung cancer in 1950, and now there are nearly 80,000 deaths each year, and there is still an upward trend. Because lung cancer seriously threatens people’s lives,