Posted in Web Epithelioid Hemangioendothelioma – National Cancer Institute January 27, 2021 Epithelioid Hemangioendothelioma (EHE) is a rare cancer that grows from the cells that make up the blood vessels and can occur anywhere in the body. Learn more about how this cancer forms, is treated, and the prognosis. https://www.cancer.gov/pediatric-adult-rare-tumor/rare-tumors/rare-vascular-tumors/epithelioid-hemangioendothelioma