1986年以来,笔者在承担国家七·五攻关课题“肺癌早期诊断研究”过程中,对抚顺市自从全国肿瘤普查以来癌症发生状况进行了分析,发现恶性肿瘤在该市全死因中死亡率和死亡比例逐年发生变化.现将调查结果报告如下.调查方法 Since 1986, during the process of undertaking the National 7th Five-Year Study on Early Stage Lung Cancer Diagnosis, the author analyzed the status of cancer in Fushun City since the National Cancer Survey and found that the mortality and death of malignant tumors in all causes of death in the city. The proportion has changed year by year. The survey results are now reported as follows. Survey Methods