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Representative images from a cervical spinal dural metastasis with high immunohistochemical expression for MAP3K7 (A) and CHD1 ( B), in comparison to low dual expression for these markers in 2 different patients with dural metastasis (C-F), the latter supratentorial (left frontal). Immunostaining for MAP3K7 (C, E) and CHD1 (D, F), with light hematoxylin counterstain, all 200X.
