Table 1.
Characteristics of patients.
| Baseline characteristics | No. (%) |
|---|---|
| Sex | |
| Male | 24 (83) |
| Female | 5 (17) |
| Age | |
| Median (years) | 71 |
| Range (years) | 57–88 |
| pStage | |
| I | 4 (14) |
| II | 7 (24) |
| III | 14 (48) |
| IV | 4 (14) |
| pT | |
| 1b | 2 (7) |
| 2 | 2 (7) |
| 3 | 14 (48) |
| 4a | 8 (28) |
| 4b | 3 (10) |
| Histology | |
| Intestinal | 15 (52) |
| Diffuse | 11 (38) |
| Mixed | 3 (10) |
| Primary lesion location | |
| Oesophagogastric junction | 2 (7) |
| Upper | 9 (31) |
| Middle | 7 (24) |
| Lower | 11 (38) |
| Macroscopic type (Borrmann) | |
| 1 (Mass) | 2 (7) |
| 2 (Ulcerative) | 13 (41) |
| 3 (Infiltrative ulcerative) | 11 (38) |
| 4 (Diffuse infiltrative) | 2 (7) |
| 5 (Unclassifiable) | 1 (3) |
| HER2 status | |
| Positive | 6 (21) |
| Negative | 18 (62) |
| Unknown | 5 (17) |
| Helicobacter pylori infection | |
| Positive | 20 (69) |
| Negative | 9 (31) |
| Surgical treatment | |
| Total gastrectomy | 15 (52) |
| Distal gastrectomy | 13 (45) |
| Proximal gastrectomy | 1 (3) |
| Tumor infiltrative (INF) pattern | |
| INFa | 4 (3) |
| INFb | 18 (62) |
| INFc | 5 (17) |
| Unknown | 2 (7) |
| Lymphatic invasion (ly) | |
| ly0 | 10 (34) |
| ly1 | 5 (17) |
| ly2 | 8 (28) |
| ly3 | 5 (17) |
| Unknown | 1 (3) |
| Venous invasion (v) | |
| v0 | 9 (31) |
| v1 | 2 (7) |
| v2 | 5 (17) |
| v3 | 12 (41) |
| Unknown | 1 (3) |