Table 1. Correlation between Extranodal Metastasis and clinicopathological factors in gastric carcinoma patients with potential radical resection.
| Variable | Extranodal Metastasis | P value | |
| Positive (%)N = 179 | Negative (%)N = 1164 | ||
| Gender | 0.426 | ||
| Male | 125 (13.9) | 777 (86.1) | |
| Female | 54 (12.2) | 387 (87.8) | |
| Age (year) | 0.674 | ||
| <60 | 97 (12.8) | 662 (87.2) | |
| ≥60 | 82 (14.0) | 502 (86.0) | |
| Tumor location | <0.001 | ||
| Proximal | 96 (13.3) | 628 (86.7) | |
| Distal | 62 (10.9) | 505 (89.1) | |
| Total | 21 (40.4) | 31 (59.6) | |
| Tumor size (cm) | <0.001 | ||
| ≤5.0 | 78 (9.8) | 714 (90.2) | |
| >5.0 | 101 (18.3) | 450 (81.7) | |
| Histological grade | <0.001 | ||
| Well/Moderately differentiated (G1+G2) | 38 (7.6) | 465 (92.4) | |
| Poorly differentiated (G3) | 97 (16.9) | 476 (83.1) | |
| Undifferentiated (G4) | 44 (16.5) | 223 (83.5) | |
| Lymphatic/Venous invasion | <0.001 | ||
| No | 146 (11.8) | 1096 (88.2) | |
| Yes | 33 (32.7) | 68 (67.3) | |
| Depth of invasion (AJCC 7th edition) | <0.001 | ||
| T1 | 0 (0) | 118 (100.0) | |
| T2 | 4 (2.3) | 167 (97.7) | |
| T3 | 31 (12.2) | 223 (87.8) | |
| T4a | 120 (17.8) | 555 (82.2) | |
| T4b | 24 (19.2) | 101 (80.8) | |
| Nodal status (AJCC 7th edition) | <0.001 | ||
| N0 | 24 (5.2) | 440 (94.8) | |
| N1 | 37 (13.9) | 230 (86.1) | |
| N2 | 43 (13.1) | 285 (86.9) | |
| N3 | 75 (26.4) | 209 (73.6) | |
| TNM staging (AJCC 7th edition) | <0.001 | ||
| Stage I | 2 (1.0) | 190 (99.0) | |
| Stage II | 36 (8.8) | 372 (91.2) | |
| Stage III | 141 (19.0) | 602 (81.0) | |