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Washington University Experience | NEOPLASMS (METASTASES) | Microscopic | 70D Metastasis, lung, squamous cell CA (Case 70) TTF1 1
The tumor cells are negative for 0B), synaptophysin (70C) and TTF-1 (70D). This morphology and immunohistochemical profile support the diagnosis of metastatic poorly differentiated squamous cell carcinoma.
