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(A) Histopathological features of the sample with hematoxylin and eosin staining. Nests of neoplastic cells are separated by fibrovascular tissue. Note the pseudoalveolar pattern of the lesion (×10). (B) Histopathological features of the sample with hematoxylin and eosin staining. Cells present irregular borders with abundant granular cytoplasm and hyperchromatic nuclei (×40).
