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Histopathological analysis of the uveal melanoma. A, Papanicolaou staining shows malignant epithelioid-like cells, some with cytoplasmic pigment, in the aqueous humor, after fine-needle aspiration biopsy. B-C, Hematoxylin-eosin staining showing the enucleated globe with a large melanoma replacing the iris and filling the anterior chamber and almost half of the globe and discontinuous invasion next to the Ahmed valve.
