Castleman's giant lymph node hyperplasia.
D002114:Calcinosis / Q000000981:diagnostic imaging; D006801:Humans; D006965:Hyperplasia / Q000000981:diagnostic imaging; D008198:Lymph Nodes / Q000000981:diagnostic imaging / Q000473:pathology*; D008297:Male; D008482:Mediastinum; D008875:Middle Aged; D011859:Radiography