Table 2. Pathologic features of the resected specimens.
| Variable | No. of patients (n=67) (%) |
|---|---|
|
Tumour differentiation | |
| Well/median differentiated | 4 (6.0) |
| Poorly differentiated/mucinous or signet ring cell carcinoma | 63 (94.0) |
|
Lauren classification | |
| Intestinal | 23 (34.3) |
| Diffuse | 37 (55.2) |
| Mixed (intestinal+diffuse) | 7 (10.4) |
|
Local infiltration | |
| Yes | 4 (6.0) |
| No | 63 (94.0) |
|
Neural invasion | |
| Yes | 0 |
| No | 67 (100) |
|
Vascular invasion | |
| Yes | 8 (11.9) |
| No | 59 (88.0) |
|
ypT stage | |
| T0 | 2 (3.0) |
| T1 | 2 (3.0) |
| T2 | 15 (22.4) |
| T3 | 29 (43.3) |
| T4a | 15 (22.4) |
| T4b | 4 (6.0) |
|
ypN stage | |
| N0 | 31 (46.3) |
| N1 | 9 (13.4) |
| N2 | 9 (13.4) |
| N3a | 11 (16.4) |
| N3b | 7 (10.4) |
|
ypTNM | |
| 0 | 2 (3.0) |
| I | 9 (13.4) |
| II | 30 (44.7) |
| III | 26 (38.8) |
|
Pathological evaluation standard of
JCGC | |
| G3 | 2 (3.0) |
| G2 | 18 (26.9) |
| G1b | 23 (34.3) |
| G1a | 24 (35.8) |
| G0 | 0 |
|
Becker score | |
| ⩾90% | 15 (22.4) |
| <90% | 52 (77.6) |
|
Graded histologic response | |
| ⩾50% | 33 (49.2) |
| <50% | 34 (50.7) |
Abbreviation: JCGC=Japanese classification of Gastric Cancer.