EWSR1 and clear cell sarcoma: 12 Patel Patel RM RM Downs-Kelly Downs-Kelly E E Weiss Weiss SW SW Folpe Folpe AL AL Tubbs Tubbs RR RR Tuthill Tuthill RJ RJ Goldblum Goldblum JR JR Skacel Skacel M M Dual-color, break-apart fluorescence in situ hybridization for EWS gene rearrangement distinguishes clear cell sarcoma of soft tissue from malignant melanoma Dual-color, break-apart fluorescence in situ hybridization for EWS gene rearrangement distinguishes clear cell sarcoma of soft tissue from malignant melanoma Mod Pathol.