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Washington University Experience | NEOPLASMS (METASTASES) | Microscopic | 45B2 Metastasis, lung (Case 45) PD-L1 60X.jpg
PD-L1 immunohistochemistry demonstrates delicate peripheral membranous staining. (PD-L1 IHC) ---- Foundation One sequencing of the brain metastasis tumor showed EML4-ALK fusion and other tumor gene mutations.
