Determinants of secondary alterations in WWTR1-CAMTA1 fusion epithelioid hemangioendothelioma.

11045Background: Epithelioid hemangioendothelioma (EHE) is a rare vascular sarcoma characterized by the WWTR1-CAMTA1 fusion (WC-F) in a majority of cases. EHE demonstrates a biphasic clinical cours...