Table 1 Patient demographics and clinical characteristics
Characteristics | Characteristic | No (%) |
|---|---|---|
Sex | Male | 74 (66.1%) |
Female | 38 (33.9%) | |
Age | Range, median | 33 ~ 82, 62 |
ECOG Performance status | 0 | 3 (2.7) |
1 | 103 (92.0) | |
2 | 5 (4.5) | |
3 | 1 (0.9) | |
Histology | Adenocarcinoma | 111 (99.1%) |
AdenoSquamous carcinoma | 1 (0.9%) | |
Differentiation | Well differentiated | 20 (17.9) |
Moderatly differentiated | 86 (76.8) | |
Poorly differentiated | 6 (5.4) | |
cT | 1 | 0 (0%) |
2 | 1 (1%) | |
3 | 97 (86.5%) | |
4 | 14 (12.5%) | |
cN | 0 | 46 (41.1%) |
1 | 48 (42.9%) | |
2 | 18 (16.1%) | |
Turmor regression grade (Dworak) | 1 | 18 (16.1%) |
2 | 48 (42.9%) | |
3 | 26 (23.2%) | |
4 | 20 (17.9%) | |
ypT | 0 (total regression) | 20 (17.9%) |
1 | 3 (2.7%) | |
2 | 31 (27.7%) | |
3 | 55 (49.1%) | |
4 | 1 (0.9%) | |
Unknown | 2 (1.7%) | |
ypN | 0 | 79 (70.5%) |
1 | 23 (20.5%) | |
2 | 10 (8.9%) | |
Unkonwn | 2 (1.7%) | |
Circumferential resection margin | Median, range (cm) | 1.0 (0.01,2.5) |