CAMTA1 and epithelioid hemangioendothelioma: According to the fifth edition of the World Health Organization (WHO) classification, the WWTR1::CAMTA1 gene fusion is detected in the vast majority of epithelioid hemangioendothelioma (EHE) cases, specifically in over 90% and in the prior study by Doyle et al (1), CAMTA1 positivity was reported at 86%.