Survival trend of colorectal cancer in Minhang District,Shanghai from 2002 to 2012

OBJECTIVE To analyze the incidence and mortality of colorectal cancer in Minhang district,Shanghai from 2002 to 2012to provide a epidemiological profile for further research.METHODS The data of colorectal cancer cases in Minhang district,Shanghai were collected by the Minhang,Shanghai Cancer Registry from January 1,2002 to December 31,2012.The rates of mortality and survival periods for colorectal cancer were presented.RESULTS There were 4 845 cases reported,and 2 139 cases dead.There were 323-539 colorectal cancer cases reported,and 173-234 cases died.The age-standardized annual mortality rates of colorectal cancer from 2002 to 2012were between 13.71/105 and4.35/105,with statistically significant difference(P=0.001 7).During this period,one-year survival rate,three-year survival rate and five-year survival rate were 70%vs 81%(P=0.078),61%vs 61%(P=0.004),57%vs 52%(P=0.97)respectively.CONCLUSIONS Colorectal cancer is one of the most common cancer in Minhang District Shangha,although short-term survival rate is improved significantly,the long-term survival rate is not changed during the past ten years.Prevention and control for colorectal cancer should be strengthened.