Final answer:
The most likely condition in this scenario is diverticulitis. It is a digestive disease where the pouches in the wall of the large intestine become infected and inflamed.
Step-by-step explanation:
The most likely condition in the given scenario is diverticulitis. Diverticulitis is a digestive disease in which the tiny pouches in the wall of the large intestine become infected and inflamed. The symptoms of diverticulitis include sudden lower abdominal pain, elevated inflammatory markers, and CT findings of bowel wall thickening.