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Washington University Experience | NEOPLASMS (METASTASES) | Meningeal | 16B1 Metastasis, lung, lepto (Case 16) CK WM
16B1,2 Marked tumor necrosis is also noted. Immunohistochemistry was performed to better characterize the lesion. The tumor cells demonstrate immunoreactivity to CK7 (CK7 IHC)