Characteristic | n |
Sex | |
Male/female | 43/8 |
Location | |
Upper/middle/lower | 9/24/18 |
Histology | |
Well/moderately/poorly differentiated | 5/32/14 |
Lymphoduct invasion | |
Positive/negative | 13/38 |
Venous invasion | |
Positive/negative | 34/17 |
Clinical T staging | |
cT0/cT1/cT2/cT3/cT4 | 0/2/5/36/8 |
Pathologic T staging | |
pT0/pT1/pT2/pT3/pT4 | 3/11/13/19/5 |
Resection level | |
R0/R1/R2 | 48/3/0 |
Clinical lymph node staging | |
cN0/cN1/cM1 lym | 4/41/6 |
Pathologic lymph node staging | |
pN0/pN1/pM1 lym | 19/29/3 |
cStage | |
0/I/II/III/IV | 0/0/11/34/6 |
pStage | |
0/I/II/III/IV | 3/7/18/21/2 |
Pathologic response to chemotherapy | |
Grade 1a/1b/2/3 | 29/13/6/3 |
Age range of patients was 45–79 y (mean age ± SD, 63.5 ± 7.9 y).
cT, cN, cStage = clinical classification; pN, pT, pStage = pathologic classification; M1 lym = distant lymph node metastasis according to TNM classification.