Table 3. Describing the histopathological characteristics after completion of NACRT.
| Characteristic | Mucinous (%, n=34) | Non-mucinous (%, n=128) | P value |
|---|---|---|---|
| Stage | |||
| pT1-T2 | 3 (8.8) | 78 (60.9) | 0 |
| pT3 | 6 (17.6) | 37 (28.9) | 0.18 |
| pT4a,4b | 25 (73.5) | 13 (10.1) | 0 |
| Margin positivity (total) | 4 (11.7) | 3 (2.3) | 0.016 |
| Proximal and distal | 2 (5.8) | 2 (1.5) | |
| Circumferential | 2 (5.8) | 1 (0.7) | |
| Nodal status | |||
| N0 | 6 (17.6) | 93 (72.6) | 0 |
| pN1a,N1b | 18 (14.0) | 23 (17.9) | 0 |
| pN2a, pN2b | 10 (29.4) | 12 (9.3) | 0.002 |
| Pathological complete remission | 0 | 15 (11.7) | 0.03 |
NACRT, neoadjuvant chemo-radiation.