Table 1.
Characteristics of patients with rectal cancer
| Characteristics | Patients number (%) |
|---|---|
| Sex |
|
| Male |
81 (66.4) |
| Female |
41 (33.6) |
| Age (years), median (range) |
59 (29-84) |
| ECOG PS |
|
| 0 |
113 (92.6) |
| 1 |
8 (6.6) |
| 2 |
1 (0.8) |
| Tumor distance from anal verge (cm), median (range) |
6 (0-9) |
| Pretreatment CEA (ng/mL), median (range) |
4 (0.5-206) |
| Histologic grade |
|
| Well differentiated |
29 (23.8) |
| Moderately differentiated |
91 (74.6) |
| Poorly differentiated |
1 (0.8) |
| Unknown |
1 (0.8) |
| Tumor size (cm), median (range) |
2.5 (0-7.2) |
| Dworak grade |
|
| 1 |
27 (22.1) |
| 2 |
76 (62.3) |
| 3 |
12 (9.8) |
| 4 |
7 (5.7) |
| T classification |
|
| 0 |
10 (8.2) |
| is |
2 (1.6) |
| 1 |
3 (2.5) |
| 2 |
28 (23.0) |
| 3 |
71 (58.2) |
| 4 |
8 (6.5) |
| N classification |
|
| 0 |
71 (58.2) |
| 1 |
33 (27.0) |
| 2 | 18 (14.8) |
ECOG PS: indicates Eastern Collaborative Oncology Group Performance Status.