Ectopic marrow presenting as a posterior mediastinal tumor.
D000328:Adult; D000745:Anemia, Hemolytic, Congenital; D001853:Bone Marrow / Q000002:abnormalities*; D000013:Congenital Abnormalities / Q000175:diagnosis; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000175:diagnosis*