Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . The right hemidiaphragm is elevated and there is interposition of the colon between the diaphragm and the liver . The heart size is normal . The aorta is mildly unfolded . The pulmonary vasculature is not engorged . Minimal streaky opacity in the left retrocardiac region and likely reflects atelectasis . No focal consolidation , pleural effusion or pneumothorax is present . Nondisplaced fractures of the right ___ and ___ lateral ribs appear to be present .
    OUTPUT:
    
Nondisplaced right ___ and ___ lateral rib fractures . Retrocardiac atelectasis . No definite radiographic evidence for pneumonia .