Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the most recent chest radiograph from ___ , there is ___ increased opacity ___ the left lung base with silhouetting of the left hemidiaphragm . Otherwise , the right hemithorax demonstrates atelectatic changes , but without focal ___consolidation . Cardiomediastinal silhouette remains moderately enlarged . Atherosclerotic disease is again noted ___ the aortic arch . No acute fractures are identified .
    OUTPUT:
    
Increased silhouetting of the left hemidiaphragm is suggestive of ___new / worsened left lower lobe pneumonia with ___possible small left pleural effusion .