Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest show an irregular , patchy retrocardiac opacity in the mid and lower left lung zones . In comparison to the prior exam , this consolidation predominantly involves the left lower lobe as opposed to the lingula . No consolidation is identified in the right lung . There is mild increased prominence of the interstitial markings and ___ B lines at the right base , suggestive of mild pulmonary edema . There is no pleural effusion . There is no pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
1 . Left lingular and lower lobe pneumonia . 2 . Probable mild pulmonary edema .