FOSB and hemangioendothelioma: In the context of vascular tumors, TAZ::CAMTA1 (Errani et al. 2011, Tanas et al. 2011), TAZ::ACTL6A, and TAZ::MAML2 (Suurmeijer et al. 2020) have all been found in EHEs (Figure 1), but TAZ::FOSB has been found in epithelioid hemangioma (Antonescu et al. 2014, Tsuda et al. 2021) and pseudomyogenic hemangioendothelioma (Panagopoulos et al. 2019).