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肿瘤是一类严重危害人民健康的常见病、多发病。为了摸清我区肿瘤发病概况,于1973年12月在本地区十四个县(市)进行了一次群众性的三年(1970—1972年).恶性肿瘤死亡回顾调查,通过调查初步掌握了我区恶性肿瘤的高发病种和高发病区,为今后对本病的防治和研究工作提供了资料。调查方法三年恶性肿瘤死亡回顾调查就是采用回顾的方法,了解三年内总的死亡人数及死亡情况,通过对死亡诊断及死前症状的回顾判断,摸清死亡的疾病,进而提出因恶性肿瘤而死亡的人数及各种恶性肿瘤的死亡数字,从而间接
Tumors are a group of common and serious diseases that endanger people’s health. In order to find out the general situation of cancer in our district, a mass three-year (1970-1972) was conducted in 14 counties (cities) in the region in December 1973. The retrospective investigation on the death of malignant tumor was initially mastered through investigation High incidence of malignant tumors in our area and the high incidence area for the future prevention and treatment of this disease provided information. Survey method Three years of retrospective investigation of malignant tumor death is a retrospective approach to understand the total number of deaths and deaths within three years, diagnosis and death by retrospective diagnosis of death to find out the death of the disease, and then put forward due to malignant tumors The number of deaths and deaths of various malignancies, which indirectly