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A well-circumscribed tubular-shaped fluid-filled cystic lesion (mostly representing markedly dilated appendix) is seen at the right iliac fossa region, contiguous with the base of the cecum showing smooth thickened edematous wall, curvilinear mural calcifications and few small intramural & intraluminal gas foci (mostly indicating the presence of superinfection). There is associated haziness and stranding of the surrounding mesenteric fat planes and moderate amount of pelviabdominal free fluid.