Table 1 Clinicopathological characteristics of patients who received intersphincteric resection (n = 30)
Characteristic | Value |
|---|---|
Age, yearsa | 60.5 ± 9.9 |
Histopathological gradeb | Â |
  G1 | 12 |
  G2 | 16 |
  Muc | 2 |
Tumor location | Â |
  Anterior wall | 14 |
  Posterior wall | 12 |
  Left wall | 1 |
  Right wall | 2 |
  Circ | 1 |
Tumor size, cma | 3.8 ± 1.5 |
  <4 cm | 18 |
  ≥4 cm | 12 |
pT stage | Â |
  Tis | 1 (3.3%) |
  T1 | 8 (26.7%) |
  T2 | 10 (33.3%) |
  T3 | 11 (36.7%) |
TNM stage | Â |
  0 | 1 |
  I | 16 |
  IIA | 5 |
  IIIA | 2 |
  IIIB | 5 |
  IVA | 1 |