| TCGA-COAD | GDC | 478 cancer and 41 normal samples |
| TCGA-READ | GDC | 166 cancer and 10 normal samples |
| Reumers et al. | GSE117606 | 65 normal, 59 adenoma and 74 tumors |
| Kim et al. | GSE50760 | 18 normal, 18 tumor and 18 metastasis patients |
| Sheffer et al. | GSE41258 | 54 normal, 186 tumor, 47 liver and 20 lung metastasis patients |
| Marra et al. | GSE8671 | 32 normal and 32 tumors |
| Uddin et al. | GSE23878 | 24 normal and 35 tumors |
| Skrzypczak et al. | GSE20916 | 34 normal, 45 adenoma and 36 adenocarcinoma |
| Matsuyama et al. | GSE18105 | 17 normal, 17 tumor and 77 laser-capture microdissection patients |
| Smith et al. | GSE17536 | 177 patient with overall survival and disease-free survival |
| Jorissen et al. | GSE14333 | 226 patients with survival time |
