A 58-year-old male nonsmoking patient underwent an ileocolic resection for Crohn’s disease with a fibrostenotic stricture. Following surgery, the patient opted to not receive medical therapy for Crohn’s disease. Six months following surgery, a surveillance colonoscopy reveals a Rutgeerts score of i3 lesions. The patient reports mild, daily right-sided abdominal pain. Which of the following is the most appropriate next step for the management of this patient?