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. 2021 Aug 17;8(8):e00645. doi: 10.14309/crj.0000000000000645

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Figure 2. — Biopsy, distal esophagus: basal layer proliferation of melanocytes, noted by their prominent nucleoli and adjacent melanin pigment (large arrow). Submucosal melanophages are visible, with notable pigment inclusion (small arrow).