Fig. 1From: Objective response to mTOR inhibition in a metastatic collision tumor of the liver composed of melanoma and adenocarcinoma with TSC1 loss: a case reportCore-needle liver biopsy. a low-powered field showing melanoma (left) and adenocarcinoma (right). b 40x view of melanoma. c S-100 stain. d 40x of carcinoma. e Pankeratin stain. f SOX10 stain. g CK7 stain. h CK20 stain. i HMB-45 stainBack to article page