Table 1.
Clinicopathologic characteristics of patients undergoing neoadjuvant chemoradiotherapy (nCRT) and surgery for rectal cancer
| Factors | Patients (n = 79) n (%) |
|---|---|
| Sex | |
| Female | 23 (29) |
| Male | 56 (71) |
| Age (years) | |
| <65 | 36 (46) |
| 65–74 | 34 (43) |
| >75 | 9 (11) |
| T-stage | |
| 0 (complete pathologic response) | 3 (4) |
| 1 | 4 (5) |
| 2 | 13 (16) |
| 3 | 47 (60) |
| 4 | 12 (15) |
| N-stage | |
| 0 | 50 (63) |
| 1 | 14 (18) |
| 2 | 15 (19) |
| M-stage | |
| 0 | 75 (95) |
| 1 | 4 (5) |
| TNM stage | |
| 0 | 3 (4) |
| 1 | 13 (16) |
| 2 | 33 (42) |
| 3 | 26 (33) |
| 4 | 4 (5) |
| Differentiation | |
| Moderately/well | 68 (86) |
| Poor | 10 (13) |
| Unknown | 1 (1) |
| Vascular invasion | |
| No | 48 (61) |
| Yes | 30 (38) |
| Unknown | 1 (1) |
| Perineural invasion | |
| No | 67 (85) |
| Yes | 9 (11) |
| Unknown | 3 (4) |
| Resection margin | |
| Not involved | 65 (82) |
| Involved | 14 (18) |
| Neoadjuvant chemotherapy regimen | |
| Capecitabine | 27 (34) |
| 5-FU | 44 (56) |
| Other | 8 (10) |
| Surgical procedure | |
| Anterior resection | 38 (48) |
| Abdominoperineal resection | 30 (38) |
| Hartmann’s resection | 2 (3) |
| Unknown | 9 (11) |
| Radiologic response | |
| Good response | 37 (47) |
| No response | 30 (38) |
| Disease progression | 12 (15) |
| Pathologic response | |
| No response | 44 (56) |
| Good response | 35 (44) |
TNM tumor-node-metastasis, 5-FU 5-fluorouracil