An Analysis of Clinical Characteristics of Colorectal Cancer in Recent Past 20 Years in Zhejiang Cancer Hospital

[Purpose] To investigate the clinical characteristics of colorectal cancer in recent 20 years in Zhejiang Cancer Hospital. [Methods] The clinical data of inpatients with colorectal cancers of Zhejiang Cancer Hospital in 3 periods as following 1988.1~1991.12(Group A),1998.1~2001.4(Group B) and 2012.1~2013.1(Group C) were analyzed. The clinical characteristics of colorectal cancer were analyzed. [Results] Recent 20 years,the male to female ratio of colorectal cancer was gradually increased,the proportion of rectal cancer was significantly decreased from 78.1% to 57.7%. The average age of patient was gradually delayed from 49.5 years to 58.1 years. The proportion of moderately and well differentiated cancers accounted for 54.8%,54.7%and 61.1% in group A,B and C respectively,which was higher than that of poorly differentiated cancer. The proportion of Dukes A~B stage was higher than that in Dukes C~D stage in the 3 groups,and the proportion of Dukes D stage was significantly decreased in the past 20 years. [Conclusion] The average age of patients with colorectal cancer gradually increase and the proportion of rectal cancer and Dukes D stage significantly decrease in recent 20 years in Zhejiang Cancer Hospital.