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Washington University Experience | NEOPLASMS (METASTASES) | Microscopic | 18C Metastases, ovarian (Case 18) CA125.jpg
Immunohistochemistry shows the tumor cells to be strongly and diffuse positive for CA-125 (cancer antigen 125), a marker for ovarian cancer. ---- Not Shown: Tumor cells are positive for WT-1 and negative for P53.