There is colonic dilation involving the right and transverse colon with no evidence of mechanical obstructive cause. The transition to normal calibre colon is gradual and the reminder segments are unremarkable. Small bowel has normal appearances. There is a small amount of free fluid in the abdomen, with no evidence of free abdominal gas. Kidneys have normal dimensions and enhancement, showing bilateral cortical simple cysts, the larger on the left measuring 7.1 cm. In the inferior pole of the right kidney, there is an exophytic cyst measuring 2 cm that shows peripheral enhancement and heterogeneous attenuation. No hydronephrosis. Liver, gallbladder, pancreas, spleen, and adrenal glands have normal appearances. No suspicious bone lesions were seen. Small bilateral pleural effusions.