Table 1 Characteristics of 169 patients with ESCC receiving esophagectomy
Age | |
Median | 55 |
Mean | 56.3 |
Range | 29–80 |
Sex | |
Male | 163 (96%) |
Female | 6 (4%) |
Primary tumor location | |
Upper | 27 (16%) |
Middle | 63 (37%) |
Lower | 79 (47%) |
Pathological T classification | |
T1 | 56 (33%) |
T2 | 34 (20%) |
T3 | 64 (38%) |
T4 | 15 (9%) |
Pathological N classification | |
N0 | 115 (68%) |
N1 | 33 (20%) |
N2 | 14 (8%) |
N3 | 7 (4%) |
Pathological 7th AJCC Stage | |
IA | 6 (4%) |
IB | 46 (27%) |
IIA | 26 (15%) |
IIB | 45 (27%) |
IIIA | 17 (10%) |
IIIB | 7 (4%) |
IIIC | 22 (13%) |
Histological grading | |
Grade 1 | 15 (9%) |
Grade 2 | 110 (65%) |
Grade 3 | 44 (26%) |
Surgical margin | |
Negative | 150 (89%) |
Positive | 19 (11%) |
ESPN expression | |
Low expression | 83 (49%) |
High expression | 86 (51%) |