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Washington University Experience | NEOPLASMS (EMBRYONAL) | ETMR - Embryonal Tumor Multilayered Rosettes | 5L1 ETMR (Case 5) Area A rhabdo p53 4X.jpg
5L1,2 Reactivity for p53 stains a regionally variable subset of tumor cell nuclei with moderate to strong intensity, estimated to be ~ 25% overall.
