Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Retrocardiac opacity is again noted compatible with known large hiatal hernia . There is adjacent consolidation in the left lower lobe which may indicate aspiration or pneumonia . The right lung appears grossly clear . No overt signs of edema . No large effusions are seen . There is no pneumothorax . The heart is mildly enlarged . The mediastinal contour is normal . Bony structures are intact .
    OUTPUT:
    
1 . Large hiatal hernia re - demonstrated . Left lower lobe opacity concerning for pneumonia or aspiration . 2 . Mild cardiomegaly .