What Is the Most Likely Cause of Mr. Santos’ Abdominal Pain

Mr. Santos, a 45-year-old Male, Presents to the Emergency Department with Severe Abdominal Pain. He Describes the Pain as a Sharp, Cramping Sensation in the Lower Right Quadrant of His Abdomen. He Also Reports Nausea and a Low-grade Fever. on Physical Examination and Rebound Tenderness Is Noted in the Same Area