Table 6.
Preoperative treatment and cancer remaining after surgery
| Location | No. of cases | Preoperative CRT | Level of remaining cancer | |||
|---|---|---|---|---|---|---|
| RX | R0 | R1 | R2 | |||
| Fistula | 4 | 0 | 2 | 2 | ||
| Entero-enteric | 3 | 0 | 1 | 2 | ||
| Entero-cutaneous | 1 | 0 | 1 | |||
| Intestine | 30 | 2 | 18 | 7 | 3 | |
| Ileum | 3 | 0 | 2 | 1 | ||
| Colon | 3 | 0 | 3 | |||
| Rectum | 7 | 2 | 5 | 2 | ||
| Anal fistula | 9 | 4 | 2 | 4 | 2 | 1 |
| Anal canal | 8 | 2 | 4 | 3 | 1 | |
CRT chemo-radio therapy, RX remaining cancer could not be determined, R0 no cancerous remnant, R1 resected surface of remnant histologically positive, R2 large portion of cancerous tissue remained