Table III.
Response rate and pathological findings.
| Finding | No. patients (n=37) |
|---|---|
| Downstaging | |
| Complete response | 2 |
| Partial response | 19 |
| Stable disease | 15 |
| Progressive disease | 1 |
| Curability | |
| R0 | 35 |
| R1 | 1 |
| R2 | 0 |
| Pathological TNM stage | |
| T1 | 3 |
| T2 | 5 |
| T3 | 25 |
| T4 | 3 |
| N0 | 24 |
| N1 | 7 |
| N2 | 2 |
| N3 | 2 |
| JSCCR pathological response | |
| Grade 0 | 1 |
| Grade 1a | 7 |
| Grade 1b | 10 |
| Grade 2 | 14 |
| Grade 3 | 4 |
JSCCR, Japanese Society for Cancer of the Colon and Rectum; TNM, tumour-node-metastasis classification (UICC); R0, no residual tumor; R1, positive surgical margin; R2, macroscopic residual tumor.