Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded . There are diffuse interstitial abnormalities and mild - to - moderate cardiomegaly likely reflecting some component of interstitial pulmonary edema . Opacities at the lung bases likely reflect a combination of pleural effusion and atelectasis . The aortic arch is calcified . There is no pneumothorax .
    OUTPUT:
    
1 . Borderline interstitial pulmonary edema with moderate cardiomegaly . 2 . Small right pleural effusion . 3 . Hyperexpanded lungs likely reflecting COPD .