Pneumocystis carinii pneumonia associated with neuroblastoma.
D006801:Humans; D007223:Infant; D008168:Lung / Q000473:pathology; D008297:Male; D009362:Neoplasm Metastasis; D009447:Neuroblastoma / Q000150:complications*; D009894:Opportunistic Infections / Q000473:pathology*; D011020:Pneumonia, Pneumocystis / Q000473:pathology*; D012186:Retroperitoneal Neoplasms / Q000150:complications*