Nontuberculous mycobacterial infection presenting as a mediastinal mass.
D006801:Humans; D007223:Infant; D008171:Lung Diseases / Q000150:complications / Q000175:diagnosis*; D008199:Lymphadenitis / Q000209:etiology; D008297:Male; D008482:Mediastinum; D009164:Mycobacterium Infections / Q000175:diagnosis*; D009162:Mycobacterium avium