title: Proceedings: Is it worthwhile to differentiate Ewing's sarcoma and primary lymphoma of bone?
mesh_terms: D001859:Bone Neoplasms / Q000145:classification* / Q000473:pathology; D006801:Humans; D008223:Lymphoma / Q000145:classification* / Q000473:pathology; D011379:Prognosis; D012512:Sarcoma, Ewing / Q000145:classification* / Q000473:pathology