Tumor type | SCC, poorly differentiated (G3) |
---|---|
Residual tumor size | 0.6 cm |
Tumor extension | Tumor invaded submucosal (at least) |
Proximal margin | Free of tumor |
Distal margin | Free of tumor |
Radial margin | Free of tumor |
Treatment effect | Near complete response, score 1 (single cell and small groups of cancer cells |
Lymphovascular invasion | Present |
Perineural invasion | Present |
Lymph-node invasion | Total: 5, involved: 2; metastatic poorly differentiated squamous cell carcinoma (LN2) |
Additional pathologic findings | Multiple leiomyomas, the largest one measuring: 2 cm in diameter |
Pathologic staging | ypT1bN1Mx |
Immunohistochemistry | Negative for C-KIT and CDX2 proto-oncogenes |
Positive for Desmin and P63 proto-oncogenes | |
Note | This staging categorizes the extent of tumor actually present at the time of examination (after the chemotherapy). The “y” categorization is not an estimate of tumor before chemotherapy |