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| Content | Number (%) |
|---|---|
| Pathology response in tumor | |
| 1 | 2 (16.7) |
| 2 | 3 (25.0) |
| 3 | 6 (50.0) |
| 4 | 1 (8.3) |
| Pathological stage | |
| I | 4 (33.3) |
| II | 1 (8.3) |
| IIIA | 1 (8.3) |
| IIIB | 6 (50.0) |
| IVA | 0 |
| Nerve invasion | 3 (25.0) |
| Vascular invasion | 4 (33.3) |
| Lymphatic metastasis | 7 (58.3) |
| Thoracic lymphatic metastasis | 6 (50.0) |
| Abdominal lymphatic metastasis | 2 (16.7) |
