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Patient demographics and cancer tissues
| Category | Numbers |
|---|---|
| Patients—cancer tissues | 16 |
| Age | 67–92 years (median 79 years) |
| Gender—M:F | 10:6 |
| Patients with follow-up | 12 |
| Length of follow-up | 4 days–132 months (median 30 months) |
| Cancer tissues (total = 16) | |
| T stage s | T1 (3), T2 (3), T3 (4), T4 (6) |
| N stage | Node positive (9), Node negative (7) |
| M stage | Metastasis (3), No metastasis (13) |
| Polyps (total = 11) | |
| Low-grade dysplasia—adenoma | 5 |
| High-grade dysplasia—adenoma | 3 |
| Serrated adenoma | 3 |
