Children's Hospital, Washington, D.C.; clinical pathological conference.
D002648:Child; D004219:District of Columbia; D006776:Hospitals, Pediatric; D006801:Humans; D007223:Infant; D008479:Mediastinal Neoplasms; D008482:Mediastinum; D013945:Thymoma; D014861:Washington
MEDIASTINUM/neoplasms; THYMOMA/in infant and child