An Observational Study on Epithelioid Sarcoma

The present prospective national study aims to provide a description of the population affected by ES, an insight into the natural history of the disease and an answer some on the outstanding questions on its management. Also, it will focus on enhancing any differences between the two ES variants (classical-type and proximal-type) in order gain a better understanding of the disease, tailor the treatment and lastly improve outcome.