Table 1 Clinicopathological characteristics of 1105 gastric cancer patients after D2 gastrectomy
Clinical features | No. of patients (n = 1105) |
|---|---|
Sex, n (%) | |
 Male | 785 (71.0%) |
 Female | 320 (29.0%) |
 Age, median year (range) | 59 (22~88) |
Bormann type, n (%) | |
 I | 136 (12.3%) |
 II | 425 (38.5%) |
 III | 506 (45.8%) |
 IV | 38 (3.4%) |
Tumor location, n (%) | |
 Upper one-third | 156 (14.1%) |
 Middle one-third | 436 (39.5%) |
 Lower one-third | 513 (46.4%) |
Type of resection, n (%) | |
 total gastrectomy | 288 (26.1%) |
 subtotal / partial gastrectomy | 817 (73.9%) |
Histological differentiation, n (%) | |
 Well-moderate differentiated tumors | 242 (21.9%) |
 Poorly differentiated and undifferentiated tumors | 836 (78.1%) |
T stage, n (%) | |
 pT1 | 283 (25.6%) |
 pT2 | 187 (16.9%) |
 pT3 | 251 (22.7%) |
 pT4 | 384 (34.8%) |
N stage, n (%) | |
 pN0 | 469 (42.4%) |
 pN1 | 197 (17.8%) |
 pN2 | 207 (18.7%) |
 pN3a | 165 (14.9%) |
 pN3b | 67 (6.1%) |
AJCC stage, n (%) | |
 IA | 227 (20.5%) |
 IB | 129 (11.7%) |
 IIA | 133 (12.0%) |
 IIB | 156 (14.1%) |
 IIIA | 243 (22.0%) |
 IIIB | 151 (13.7%) |
 IIIC | 66 (6.0%) |
LVI | |
 Positive | 206 (18.6%) |
 Negative | 899 (81.4%) |
Perineural invasion | |
 Positive | 248 (22.4%) |
 Negative | 857 (77.6%) |
Neo-adjuvant chemotherapy | |
 Yes | 23 (2.1%) |
 No | 1082 (97.9%) |
Adjuvant chemotherapy | |
 Yes | 681 (61.6%) |
 No | 424 (38.4%) |