Fig. 1From: A case report of eyelid Merkel cell carcinoma occurring under treatment with nivolumab for a lung adenocarcinomaHistological examination. a Hematoxylin-eosin (20×); b Hematoxylin-eosin (40×); c Ki67 (10×); d Cytokeratin 20 (20×); e Chromogranin (20×); f Synaptophysin (20×)Back to article page