Table 5.
Promoter gene methylation rates in tumour and normal tissue from patients with colorectal cancer (CRC) sorted by tumour location
| Proximal colon CRC (n = 9) | Distal colon CRC (n = 21) | |||
| Tumour | Normal | Tumour | Normal | |
| APC | 0 | 0 | 3 (14%) | 0 |
| p16 | 1 (11%) | 0 | 3 (14%) | 0 |
| MLH1 | 2 (22%) | 0 | 4 (19%) | 0 |