Fig. 5From: An NRAS mutation in primary malignant melanoma of the lung: a case reporta and b: Malignant melanoma had invaded the right lower lobe. (Hematoxylin and eosin [HE] staining). c and d: The melanoma exhibited intraepithelial spread into a bronchus. (c: HE staining, d: HMB45 staining).Back to article page