Pathology mediquiz. Case 1.
D003937:Diagnosis, Differential; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000473:pathology*; D007223:Infant; D008221:Lymphoid Tissue / Q000002:abnormalities*; D008297:Male; D008477:Mediastinal Diseases / Q000473:pathology; D008482:Mediastinum / Q000473:pathology*; D013950:Thymus Gland / Q000002:abnormalities*