title: Teratoma of the thymus in a child.
mesh_terms: D006801:Humans; D007223:Infant; D008297:Male; D008479:Mediastinal Neoplasms / Q000000981:diagnostic imaging; D011859:Radiography; D013724:Teratoma / Q000000981:diagnostic imaging; D013953:Thymus Neoplasms / Q000000981:diagnostic imaging