Analysis on the Death Causes of Cancer Patients in the Diaseases Surveillance Points of Gansu Province 1990～1994

The results of analysis showed that three leading diseases were stomach cancer，liver cancer and cancer of esophagus．Thepersentage of these three cancers in the total number of death due to cancer was 69.6％．Particularly the liver cancer wasthe most dangerous one．espe-dally to the young men and adults．The death rate of lung cancer was .86/100000，the death rateof this cancer in urban area WaS 1.71 times higher than in rural area．the difference between urban and rural area wassignifeant(P0.05)，especially the women lung cancer was increased more sharply recently．The death rate of cervical carcinoma in urban area was 5.41/100000 and in rural al'ea was 9.33/100000 which was 1.73 times more than in urban area．