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Washington University Experience | NEOPLASMS (METASTASES) | Microscopic | 96B2 Metastasis, Lung adeno (Case 96) Napsin A 40X
The tumor cells are positive for NapsinA in a distinctive pattern typical for that entity. (NapsinA IHC) ---- Not shown: Tumor cells are immunoreactive for CK7; TTF-1; CK20, GATA3, and PSA are negative. ---- Comment: The collective features are consistent with metastatic adenocarcinoma of lung origin.
