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近20～30年肺癌发病率不断上升,美国为60人/10万人;苏格兰最高达81.89人/10万人;日本1974年比1941年增加16.4倍,1979年比1974年增强26倍;我国肺癌的发病率占恶性肿瘤的第二位,1975年比1960年增加5倍。肺癌,尤其是小细胞型支气管肺癌(SCCL)所致转移和非转移性神经系统损害在各种恶性肿瘤中均占首位。МарТынов等报告2140例原发性肺癌,均经手术、尸检、临床化验证实,其中有脑转移388
The incidence of lung cancer has risen steadily in the past 20 to 30 years. The number of lung cancer in the United States is 60 per 100,000; the highest in Scotland is 81.89 per 100,000; Japan increased by 16.4 times in 1974 compared with 1941; and in 1979, it increased by 26 times compared with 1974; The incidence of lung cancer accounts for the second place among malignant tumors. It increased five times in 1975 compared with 1960. Lung cancer, especially small cell bronchogenic carcinoma (SCCL)-induced metastasis and non-metastatic nervous system damage account for the first place in various malignancies. МарТынов et al. reported that 2,140 primary lung cancers were confirmed by surgery, autopsy, and clinical trials, including brain metastasis.388