[Case of mediastinal lymph node hyperplasia resembling thymoma].
D003937:Diagnosis, Differential; D006801:Humans; D006965:Hyperplasia; D008206:Lymphatic Diseases / Q000175:diagnosis* / Q000473:pathology; D008297:Male; D008477:Mediastinal Diseases / Q000175:diagnosis*; D008875:Middle Aged; D013953:Thymus Neoplasms / Q000175:diagnosis* / Q000473:pathology