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Five-year overall survival by stage subgroups and total number of resected LNs n (%)
| Depth of invasion | n |
OS |
P | ||||
| 0-14 | 15-19 | 20-24 | 25-29 | ≥ 30 | |||
| T1 | 69 | 4 (37.5) | 19 (83.9) | 20 (88.9) | 17 (100.0) | 9 (100.0) | 0.003 |
| T2 | 58 | 4 (25.0) | 14 (70.1) | 20 (89.4) | 11 (90.9) | 9 (100.0) | 0.005 |
| T3 | 62 | 7 (57.1) | 12 (72.7) | 19 (83.5) | 10 (88.9) | 14 (92.3) | 0.022 |
| T4 | 22 | 3 (33.3) | 4 (75.0) | 4 (50.0) | 6 (66.7) | 5 (80.0) | 0.045 |
| Total | 211 | 18 (43.2) | 49 (76.8) | 63 (84.5) | 44 (90.6) | 37 (94.5) | 0.000 |
OS: Overall 5-year survival rate.
