 All patients will proceed with general anesthesia. Induction will be with propofol and maintenance with desflurane. Airway management will be with an LMA without use of muscle relaxant as per standard practice. Fentanyl will be used intraoperatively to treat pain. Hydromorphone will be used to treat pain in the post- operative setting. No NSAID or acetaminophen will be given in any route. For prevention of post operative nausea and vomiting, all patients will be given a 1.5mg scopolamine patch, 8 mg of dexamethasone at the beginning of surgery,18 and 4 mg of ondansetron at closing. 