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肺癌增加已呈国际化趋势,日本1988年肺癌修正死亡率与1950年相比,男性为9.4倍,女性7.9倍。1981年1月～1987年12月,东京医大外科治疗女性肺癌213例,为全部肺癌的21.7％,男女之比3.6:1。女性肺癌组织类型以腺癌最多见为147例(69.0％),其次为鳞癌34例(16.0％)、小细胞癌17例(8.0％)、大细胞癌10例(4.7％)和腺鳞癌5例(2.3％),与男性相比,女性腺癌比例最高是其特点。随着时间推移,女性肺癌组织类型也在发生变化。1984年始,女性鳞癌数增加,占全部病例20％左右。日本女性吸烟率为12～15％,1966年以后开始下降,50岁以上女性吸烟者下降,相反,30岁以下女性吸烟者呈明显增加。据报道,城市女性和从事第三产业女性吸烟率上升至
The increase in lung cancer has become an international trend. Japan’s 1988 revised mortality rate for lung cancer was 9.4 times that of men and 7.9 times that of women compared with 1950. From January 1981 to December 1987, Tokyo Medical University surgical treatment of 213 cases of female lung cancer, 21.7% of all lung cancer, the ratio of men and women 3.6:1. The most common type of adenocarcinoma of female lung cancer was 147 (69.0%), followed by squamous cell carcinoma in 34 (16.0%), small cell carcinoma in 17 (8.0%), large cell carcinoma in 10 (4.7%) and glandular scales. There were 5 cases of cancer (2.3%). Compared with men, the highest proportion of women with adenocarcinoma was its characteristics. Over time, the female lung cancer tissue types are also changing. Since 1984, the number of female squamous cell carcinomas has increased, accounting for about 20% of all cases. The smoking rate among Japanese women was 12-15%, which began to decline after 1966. Female smokers aged over 50 years had decreased. On the contrary, female smokers under 30 had a significant increase. According to reports, the smoking rate among urban women and women in tertiary industry rose to