A 61-year-old male presents to the Emergency Department with complaints of abdominal pain and constipation that have been present for several days. He denies any bloody bowel movements, melena, nor blood on wiping. Vital signs exhibit a low-grade fever of 100.5 degrees Fahrenheit. Physical exam reveals tenderness to palpation of the left lower quadrant without blood on digital rectal exam. Imaging studies obtained demonstrate colonic wall thickening along with numerous diverticula. Which of the following segments on osteopathic structural examination most correlate with the patient’s presentation?