Table 1.
Baseline characteristics of patient included.
| Variable | Total (n = 9) | |
|---|---|---|
| Number (n) | Percentage | |
| Age | ||
| Median (min–max) | 65 years (57–83 years) | |
| Gender | ||
| Male | 7 | 77.8 |
| Female | 2 | 22.2 |
| Anatomical localization | ||
| Esophagogastric junction | 8 | 88.9 |
| Gastric | 1 | 11.1 |
| Sample origin | ||
| Endoscopic biopsy | 6 | 66.7 |
| Surgical specimen | 3 | 33.3 |
| Samples | ||
| Tumor | 1 | 11.1 |
| Normal mucosa | 2 | 22.2 |
| Tumor and normal mucosa | 6 | 66.7 |
| Kind of neoadjuvant therapy | ||
| None | 4 | 44.4 |
| Neoadjuvant chemoradiation | 4 | 44.4 |
| Perioperative chemotherapy | 1 | 11.1 |
| pT category | ||
| pT1 | 1 | 11.1 |
| pT2 | 3 | 33.3 |
| PT3 | 2 | 22.2 |
| pT4 | 1 | 11.1 |
| No information a | 2 | 22.2 |
| pN category | ||
| pN0 | 3 | 33.3 |
| pN1 | 2 | 22.2 |
| pN2 | 0 | 0 |
| pN3 | 2 | 22.2 |
| No information a | 2 | 22.2 |
| Grading | ||
| G1 | 0 | 0 |
| G2 | 5 | 55.6 |
| G3 | 2 | 22.2 |
| No information | 2 | 22.2 |
a
No further information available since one patient had progression after primary staging and lost to follow‐up in another case.