Patients experiencing moderate to severe pain at the surgical incision site will receive a bolus of 0.1 mL/kg (maximum 7 mL) of epidural solution, and the infusion rate will be increased in 2 mL/h increments, to a maximum infusion rate of 16 mL/h. The infusion rate will be adjusted to maintain a pain score at the surgical site of 3 or less on the numeric rating scale. One hour after arrival in the recovery room, NRS during cough, at rest, and upon palpation, as well as loss of cold sensation will be assessed by a member of the research team who is blinded to the patient's group assignment. Total bupivacaine and morphine doses will be recorded.