All patients will be evaluated at the end of surgery (T0) and after 3-6-12-24-36-48 hours after surgery. Further evaluations are scheduled every 24 hours until the seventh postoperative day. At each assessment will be recorded: Numeric Rating Scale (NRS) at rest, NRS at movement (NRSm) - defined as pain at deep inspiration and cough - ; blood pressure, heart rate, respiratory rate, nausea (PONV scale), need of rescue analgesics and presence of any complications.