Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal and hilar contours are normal . The pulmonary vascularity is not engorged . The right hemidiaphragm is elevated , and there is minimal atelectasis within the right lung base . No focal consolidation , pleural effusion or pneumothorax is seen . There is marked distention of colonic loops of bowel particularly within the right upper quadrant where there is interposition of the colon between the diaphragm and the liver , as previously noted .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Marked gaseous dilatation of the colon particularly within the right upper quadrant where there is interposition of the hepatic flexure between the liver and diaphragm .