Incidence of Malignant Tumor from 1970 to 2007 in Zhongshan City,Guangdong Province

[Purpose] To explore the epidemiological rules and characteristics of cancer in 1970~2007 in Zhongshan City,Guangdong province,and to provide scientific information for its prevention and control.[Methods] Cancer incidence data were collected from Zhongshan Cancer Registry.Number of new cancer cases,crude incidence,China and world standardized incidence and so on were analyzed.[Results] In 1970~2007 and 2005~2007,the cancer world standardized incidence rates were 133.07/105 and 212.22/105 respectively.There were remarkably increasing trends for its incidence rates in 1970~2007 in Zhongshan,also with the cancers of lung,esophagus,rectum,colon for male and lung,breast,colon and rectum for female.[Conclusions] The cancer incidences in Zhongshan in 1970~2007 are at medium level worldwide,and those in female are almost equal to the national level in China,but those in male are at high level nationwide.Moreover,there are obviously increasing trends for the cancer incidence in Zhongshan in 1970~2007.It suggests that cancer prevention and control should be enhanced in Zhongshan.