Malignant sympathetic tumors in children.
D000310:Adrenal Gland Neoplasms; D002675:Child, Preschool; D005260:Female; D005729:Ganglioneuroma; D006801:Humans; D007223:Infant; D008297:Male; D008479:Mediastinal Neoplasms; D009447:Neuroblastoma; D013564:Sympathetic Nervous System