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目的］调查吉林省延边朝鲜族自治州恶性肿瘤发生情况．［方法］对吉林省延边朝鲜族自治州内４７所县（市）级以上医院１９８０～１９９３年间收住、确诊的全部恶性肿瘤９８２２例进行调查分析．［结果］占延边地区住院确诊的恶性肿瘤前１０位的依次为胃癌、肝癌、肺癌、乳腺癌、肠癌、白血病、胰腺癌、食道癌、子宫颈癌、膀胱癌，占的比重分别为２４３％，１９６％，１６７％，７０％，６２％，４．１％，２．７％，２．２％，２．０％，１．３％．．［讨论］朝鲜族恶性肿瘤住院患者多于汉族，朝鲜族、汉族在肝癌和肺癌的差异较大，朝鲜族肝癌患病明显高于汉族，比值为１６∶１，汉族肺癌患者多于朝鲜族，其比值为１３∶１．延边地区县（市）级以上医院Ⅰ级诊断率为３７５％，早期患者诊断率只占２．８２％，有效疗法治疗率只占４７３％
Objectives] To investigate the incidence of malignancy in Yanbian Korean Autonomous Prefecture, Jilin Province. [Methods] Investigation and analysis were conducted on 9822 cases of malignant tumors admitted and diagnosed in hospitals of 47 county-level (or city) hospitals in Yanbian Korean Autonomous Prefecture of Jilin Province from 1980 to 1993. [Results] The top 10 malignant tumors diagnosed in hospitalized area in Yanyanbian area were gastric cancer, liver cancer, lung cancer, breast cancer, colon cancer, leukemia, pancreatic cancer, esophageal cancer, cervical cancer and bladder cancer, respectively, accounting for 24% of the total. 3%,196%,167%,70%,62%,4.1%,2.7%,2.2%,2.0%,1.3%. . [Discussion] Korean patients have more malignant tumors than Han people. Koreans and Han people have greater differences in liver cancer and lung cancer. Korean people have significantly higher prevalence of liver cancer than Han people, with a ratio of 1:1 6:1. Han patients have more lung cancer than Korean patients. The family has a ratio of 13:1. The grade I diagnosis rate of hospitals at or above the county (city) level in Yanbian district was 37.5%. The early diagnosis rate was only 2.82%, and the effective treatment rate was only 47.4%.