Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable view of the chest demonstrates normal lung volumes . There is no pleural effusion or pneumothorax . There is mild pulmonary interstitial edema . Bibasilar opacities are noted . Mild - to - moderate cardiomegaly . Hilar and mediastinal silhouettes are unchanged . Aortic arch calcifications are noted . Bilateral subcentimeter pulmonary nodules are better seen on CT exam of ___ . Partially imaged upper abdomen is unremarkable .
    OUTPUT:
    
Mild interstitial pulmonary edema . Mild - to - moderate cardiomegaly .