title: Posterior mediastinal masses in two siblings with hemoglobin E-beta thalassemia.
mesh_terms: D000293:Adolescent; D000328:Adult; D001853:Bone Marrow; D002828:Choristoma / Q000235:genetics*; D004920:Erythropoiesis; D006446:Hemoglobin E / Q000235:genetics*; D006455:Hemoglobins, Abnormal / Q000235:genetics*; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000235:genetics*; D013789:Thalassemia / Q000235:genetics*
chemical_list: D006455:Hemoglobins, Abnormal; D006446:Hemoglobin E