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一、概况肿瘤是一种常见病,其特征是人体某种组织的细胞不按机体需要而异常增生。它严重危害人民的健康。近二十多年来,肿瘤的治疗有较大的进展,正从姑息治疗向根治过渡。虽然有的肿瘤病人可以得到治愈,但仍不能根治。据世界各国统计,肿瘤仍然占总死亡率的第二位,约占死亡总人数的16～17％。人体肿瘤的发病部位在世界各地亦各不同。1969年有人统计了24个国家1964～1965年的肿瘤发病情况:在欧、美和南非,男性的发病部位以肺癌为
First, the overview Tumor is a common disease, which is characterized by a body tissue cells do not according to the needs of the body and abnormal proliferation. It seriously jeopardizes people’s health. Nearly two decades, the treatment of tumors have made great progress, is from palliative treatment to radical transition. Although some patients with cancer can be cured, but still can not cure. According to statistics from all over the world, the tumor still occupies the second place of the total death rate, accounting for 16-17% of the total number of deaths. The incidence of human tumors in different parts of the world are also different. 1969 statistics were 24 countries 1964-1965 cancer incidence: in Europe, the United States and South Africa, the incidence of male lung cancer is