Congenital absence of the thymus.
D005260:Female; D006321:Heart / Q000000981:diagnostic imaging; D006801:Humans; D007011:Hypoparathyroidism / Q000151:congenital; D007231:Infant, Newborn; D008168:Lung / Q000000981:diagnostic imaging; D008297:Male; D008482:Mediastinum / Q000000981:diagnostic imaging; D010280:Parathyroid Glands / Q000002:abnormalities; D013902:Radiography, Thoracic; D013950:Thymus Gland / Q000002:abnormalities*