Recurrent Ewing Sarcoma

**Semantic type:** Neoplastic Process

**Definition:** Ewing sarcoma which has recurred after treatment and/or remission. While initial complete responses are not uncommon, there is a fair chance of relapse as late as one to two decades after initial therapy.

**Synonyms:** - Ewing's Sarcoma, Recurrent - Recurrent Ewing's Sarcoma - Relapsed Ewing's Sarcoma