Mediastinal masses in infants and children.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D006801:Humans; D007223:Infant; D008223:Lymphoma / Q000000981:diagnostic imaging*; D008477:Mediastinal Diseases / Q000000981:diagnostic imaging*; D008479:Mediastinal Neoplasms / Q000000981:diagnostic imaging*; D011859:Radiography