| Characteristics | All (N = 40) | |
| No. | (%) | |
| Age (years) | 59.50 (33 - 70) |
|
| ≤60 years | 24 | (60%) |
| >60 years | 16 | (40%) |
| Sex |
|
|
| Male | 26 | (65%) |
| Female | 14 | (35%) |
| Pattern of gross |
|
|
| Fungating | 26 | (65%) |
| Ulcerating | 9 | (22.5%) |
| Annular | 5 | (12.5%) |
| Histopathological subtypes |
|
|
| Conventional adenocarcinoma | 33 | (82.5%) |
| Mucoid carcinoma | 7 | (17.5%) |
| Grade |
|
|
| Poorly differentiated | 9 | (22.5%) |
| Moderately differentiated | 12 | (30%) |
| Well differentiated | 19 | (47.5%) |
| Distance from anal verge (cm) | 6 (2 - 12) |
|
| <5 cm | 14 | (35%) |
| 5 - 10 cm | 18 | (45%) |
| >10 cm | 8 | (20%) |
| Clinical T T1 T2 T3 T4 |
2 (5%) 5 (12.5%) 24 (60%) 9 (22.5%) |
|
| Clinical N N0 N1 N2 N3 |
10 (25%) 14 (35%) 12 (30%) 4 (10%) |
|
| Lymphatic invasion |
|
|
| Absent | 29 | (72.5%) |
| Present | 11 | (27.5%) |
| Venous invasion |
|
|
| Absent | 24 | (60%) |
| Present | 16 | (40%) |
| pCR |
|
|
| No | 34 | (85%) |
| Yes | 6 | (15%) |
| Regression group |
|
|
| 3 | 8 | (20%) |
| 2 | 14 | (35%) |
| 1 | 12 | (30%) |
| 0 | 6 | (15%) |
| Regression rate |
|
|
| Lo-R | 22 | (55%) |
| Hi-R | 18 | (45%) |