Table 1.
Tumors characteristics at the initial staging.
| Mean lesion length | 47.2 mm (range 20–100 mm) | |
|---|---|---|
| Mean distance between lesion lower edge and anal verge | 3.70 cm (range 1–8 cm) | |
|
| ||
| n (56) | (%) | |
|
| ||
| Characteristics of lesions | ||
| Vegetans | 43 | 76.8 |
| Infiltrans | 13 | 23.2 |
| Eccentric | 42 | 75 |
| Concentric | 14 | 25 |
| Ulcerated | 19 | 33.9 |
| Not ulcerated | 37 | 66.1 |
| Histotypes | ||
| Adenocarcinoma | 53 | 94.6 |
| Mucinous adenocarcinoma | 3 | 5.4 |
| Grading | ||
| G1 | 6 | 10.7 |
| G2 | 26 | 46.4 |
| G3 | 14 | 25 |
| GX | 10 | 17.9 |
| cTNM staging | ||
| II | 31 | 55.4 |
| III | 25 | 44.6 |
| cT | ||
| T2 | 14 | 25 |
| T3 | 42 | 75 |
| cN | ||
| N0 | 36 | 62.3 |
| N1 | 20 | 35.7 |