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Tumor and nodal locoregional staging before treatment and after surgery in patients with locally advanced rectal cancer
| Tumor | cT3n (%) | cT4n (%) |
|---|---|---|
| pT0 | 11 (16) | 4 (8) |
| pT1 | 12 (18) | 5 (10) |
| pT2 | 15 (22) | 9 (18) |
| pT3 | 29 (43) | 10 (20) |
| pT4 | 1 (1) | 23 (44) |
| Nodal | cN0 | cN+ |
| pN0 | 39 (100) | 43 (54) |
| pN+ | 0 (0) | 37 (46) |
| Downstaging | 63 (53) | |
| Non-downstaging | 56 (47) | |
| Tumor regression grading | ||
| TRG 0 | 4 (3) | |
| TRG 1 | 18 (15) | |
| TRG 2 | 45 (38) | |
| TRG 3 | 37 (31) | |
| TRG 4 | 15 (13) | |
