Ewing's sarcoma

== English == === Alternative forms === Ewing sarcoma === Etymology === First described by James Ewing (1866–1943), American pathologist. === Noun === Ewing's sarcoma (plural Ewing's sarcomas) (pathology, oncology) A malignant small-round-blue-cell tumor that forms in bone or soft tissue. === Anagrams === Ewing sarcomas