Survival rate of nasopharyngeal carcinoma (NPC) in all population of Zhongshan in 1970～1994

Objective To explore the survival status of NPC in all population of Zhongshan in 1970～1994, and to provide scientific information for NPC prevention and treatment in Zhongshan. Methods NPC data in Zhongshan in 1970～1994 which came from Zhongshan Cancer Registry were collected and collated. Its observed survival rates between different genders, different age groups and different periods in Zhongshan were calculated and compared. Results 1,3,5,10 year observed survival rates of NPC in Zhongshan in 1970～1994 ...