Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is mildly enlarged but unchanged . There is stable mild tortuosity of the aorta . There is unchanged lung hyperinflation with blunting of the costophrenic angles bilaterally consistent with a small pleural effusions , left greater than right . This is overall improved compared to the prior exam . There is an increased area of opacification in the retrocardiac region which could be secondary to atelectasis ; however , an acute infectious process can not be excluded . New fractures are seen along the lateral right fourth , fifth , sixth ribs , overall minimally displaced .
    OUTPUT:
    
1 . Acute fractures are seen along the lateral right fourth , fifth , sixth ribs , minimally displaced . 2 . Increase in opacification in the retrocardiac region could be secondary to atelectasis ; however , an acute infectious process can not be excluded . 3 . Small bilateral pleural effusions , left greater than right . 4 . Diffusely osteopenic bones .