text: The mainstay of therapy for salivary gland<unk>  is surgery.
option_0: Salivary gland tumor surgery
option_1: Desmoid tumor surgery
option_2: Tongue cancer surgery
option_3: Oral cancer surgery
option_4: Pancoast tumor surgery
option_5: Salivary gland tumor medical therapy
option_6: Hypopharyngeal cancer surgery
option_7: Acoustic neuroma surgery