CT - CT Abdomen and pelvis (one week later)
Axial C+ portal venous phase
Coronal C+ portal venous phase
A pericolic collection containing fluid and gas lies anterior to the sigmoid colon. There is marked adjacent fat stranding within the sigmoid mesocolon. A number of diverticula are noted within the descending colon. No free intra peritoneal air. The liver, spleen, pancreas, adrenal glands and kidneys are unremarkable. No enlarged lymph nodes evident.