据70年代初期资料，扬中市与全国县级单位比较是中国恶性肿瘤死亡率最高的县级市之一，90年代随着诊断水平的提高和三级防癌网的完善，扬中市对恶性肿瘤的发病情况进行了调查研究。现就1991年一1994年杨中市恶性肿瘤发病情况报告如下：一、资料与方法（－）恶性肿瘤发病资料来 According to data from the early 1970s, Yangzhong City was one of the county-level cities with the highest mortality rate of malignant tumors in China. In the 1990s, with the improvement of the diagnostic level and the improvement of the three-level anti-cancer network, Yangzhong City had The incidence of the disease was investigated. The report on the incidence of malignant tumors in Yangzhong City from 1991 to 1994 is as follows: I. Data and methods (-) Malignant tumor incidence data