4[1]Kaibara N, Koga S, Jinnai D. Synchronous and metachronous malignancies of colon and rectum in Japan with special reference to a coexisting early cancer. Cancer 1984; 54:1871 ~ 1874
5[3]Enblad P, Adami HO, Glimelius B, et al. The risk of subsequent primary malignant diseases after cancers of the colon and rectum. A nationwide cohort study. Cancer 1990; 65:2091 ~ 2100
6[5]Miyoshi E, Haruma K, Hiyama T, et al. Microsatellite instability is a genetic marker for the development of multiple gastric cancers. Int J Cancer 2001; 95: 350~ 353
7[6]Yamashita K, Arimura Y, Kurokawa S, et al. Microsatellite instability in patients with multiple primary cancers of the gastrointestiral tract. Gut 2000; 46: 790~ 794