Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Suboptimal penetration limits evaluation . Lung volumes are low . The heart is moderately enlarged . There are likely small bilateral pleural effusions . Increased interstitial markings suggest mild pulmonary edema . Bibasilar opacities could reflect dependent edema , atelectasis or infection . There is no pneumothorax . The aortic arch is calcified .
    OUTPUT:
    
Moderate cardiomegaly . Mild pulmonary edema . Bibasilar opacities could reflect dependent edema , atelectasis or infection .