Table 3.
Clinical characteristics of 20 patients who underwent conversion surgery. Each stage was classified according to the TNM classification.
| Case | Stage (Before) | Stage (After) | p-Stage | Pathological | Evans |
|---|---|---|---|---|---|
| 1 | 3 | 3 | 2a | tub2 | IIb |
| 2 | 3 | 2a | 2a | tub1 | I |
| 3 | 3 | 3 | 2b | tub2 | III |
| 4 | 3 | 2b | 2a | muc | IIb |
| 5 | 3 | 2a | 2a | tub1 | IIb |
| 6 | 3 | 1a | 1 | por | III |
| 7 | 3 | 3 | 2b | tub1 | III |
| 8 | 3 | 3 | 2a | similar to NEN | IIb |
| 9 | 3 | 3 | 1 | tub2 | IIb |
| 10 | 4 | 3 | 0 | no neoplasm | IV |
| 11 | 4 | 2a | 2a | tub1 | III |
| 12 | 4 | 2a | 2a | tub2 | I |
| 13 | 4 | 2b | 1 | a few | III |
| 14 | 4 | 4 | 2a | tub2 | IIb |
| 15 | 4 | 0 | 0 | no neoplasm | IV |
| 16 | 4 | 2a | 2b | tub1 | I |
| 17 | 4 | 2a | 1 | tub1 | III |
| 18 | 4 | 3 | 2b | tub2 | III |
| 19 | 4 | 4 | 4 | tub2 | IIb |
| 20 | 4 | 3 | 2a | tub2 | I |
UR-LA, unresectable locally advanced cancer; UR-M, unresectable cancer with metastasis; before, before initial therapy; after, after various therapy; p-stage, pathological stage; tub1, tubular adenocarcinoma with high differentiation; tub2, tubular adenocarcinoma with moderate differentiation; por, poorly differentiated adenocarcinoma; muc, mucinous adenocarcinoma; NEN, neuroendocrine neoplasm; a few, a few neoplasms; Evans, Evans classification.