title: Hyperfunctioning supernumerary parathyroid glands.
mesh_terms: D000236:Adenoma / Q000601:surgery; D000328:Adult; D005260:Female; D006801:Humans; D006961:Hyperparathyroidism / Q000601:surgery*; D006965:Hyperplasia / Q000601:surgery; D008297:Male; D008482:Mediastinum / Q000601:surgery; D008875:Middle Aged; D010280:Parathyroid Glands / Q000002:abnormalities* / Q000601:surgery; D010282:Parathyroid Neoplasms / Q000601:surgery; D012008:Recurrence