5Kraemer M,Wiratkapun S,Seow-Choen F,et al.Stratifying risk factors for follow-up:a comparison of recurrent and nonrecurrent colorectal cancer [J].Dis Colon Rectum,2001,44(6):815-821.
6Park YJ,Park KJ,Park JG,et al.Prognosis factor in 2230 Korean colorectal cancer patients:analysis of consecutively operated cases [J].World J Surg,1999,23(7):721-726.
7Roncucci L,Fante R,Losi L,et al.Survival for colon and rectal cancer in a population based cancer registry [J].Eur J Cancer,1996,32A(2):295-302.
8Iacopetta B.Are there two sides to colorectal cancer? [J].Int J Cancer,2002,101(5):403-408.
9Tomisaki S,Ohno S,Ichiyoshi Y,et al.Microvessel quantification and its possible relation with liver metastasis in colorectal cancer [J].Cancer,1996,77(8 Suppl):1722-1728.
10Secco GB,Fardelli R,Gianquinto D,et al.Factors influencing incidence and extension of metachronous liver metastases of colorectal adenocarcinoma.A multivariate analysis.Hepatogastroenterology [J].1997,44(16):1057-1062.
3Yamazaki T, Takii Y, Okamoto H, et al. What is the risk factor for metachronous colorectal carcinoma[J]. Dis Colon Rectum, 1997,40(8) :935 - 938.
4Chen HS, Sheen Chen SM. Synchronous and "early" metachronous colorectal adenocarcinoma:analysis of prognosis and current trends[J]. Dis Colon Rectum,2000,43 : 1093 - 1099.