title: Familial occurrence of ganglioneuromas.
mesh_terms: D000328:Adult; D002648:Child; D005729:Ganglioneuroma / Q000235:genetics*; D006801:Humans; D007223:Infant; D008297:Male; D008479:Mediastinal Neoplasms / Q000235:genetics*; D009447:Neuroblastoma / Q000235:genetics