4O'Connell JB,Maggard MA,Livingston EH,et al.Colorectal cancer in the young[J].Americma Surgery,2004,187(3):343-348.
5O'lofinlade O,Ao M.Colorectal cancer in young patients[J].Dis Colon Rectum,2001,44(6):1897.
6Lai IR,Lee WJ,Chen CN,et al.Gastric cancer in the young[J].Hetapogastreenterology,1997,44(18):1640-1643.
7Liang JT,Huang KC,Cheng AC,et al.Clinicopathological and molecular biological feature colorectal cancer in patients less than 40 years of age[J].Br J Surg,2003,90(2):205-214.
8Purdie CA,Piris J.Histopathological grade,mucinous differentiation and DNA ploidy in relation to prognosis in colorectal carcinoma[J].Histopathology,2000,36(2):121-126.
9Diculescu M,Iacob R,Iacob S,et al.The importance of histopathological and clinical variables in predicting the evolution of colon cancer[J].Rom J Gastroenterol,2002,11(3):183-189.
10Farrington SM,Mckinley AJ,Carothers AD,et al.Evidence for an age-related influence of microsatellite instability on colorectal cancer survival[J].Int J Cancer,2002,98(6):844-850.
