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a Core biopsy of a neck tumor showing sheets and nests of eosinophilic cells with minimal hyalinization. b, c The resection specimen of this case showed a largely solid tumor composed of eosinophilic cells and forming a reticular pattern. This tumor showed both EWSR1 and ATF1 rearrangement by FISH (not shown). d Another example of HCCC showing a basaloid-like morphology with focal clearing of the central cells within the nests
