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The clinical features of the colon cancer specimens used in this study
| Feature | WHO grade | ||
|---|---|---|---|
| I (n = 7) | II (n = 43) | III (n = 49) | |
| Gender | |||
| Male | 6 | 21 | 26 |
| Female | 1 | 22 | 23 |
| Age at diagnosis | |||
| < 60 | 1 | 4 | 13 |
| ≥ 60 | 6 | 39 | 36 |
| Invasive depth | |||
| Submucosa | 1 | 0 | 0 |
| Muscular layer | 1 | 3 | 2 |
| Serous layer | 4 | 34 | 40 |
| Whole layer | 1 | 6 | 7 |
| Metastasis | |||
| Yes | 0 | 0 | 3 |
| No | 7 | 43 | 46 |
| Lymph node metastasis | |||
| Yes | 1 | 15 | 22 |
| No | 6 | 28 | 27 |
| Location | |||
| Left colon | 4 | 17 | 23 |
| Right colon | 3 | 26 | 26 |
