Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There bilateral regions of confluent consolidation , more extensive on the left than on the right , particularly the left upper lobe . Opacity in posterior costophrenic angle could be additional consolidation or superimposed effusion . Cardiac silhouette can not be adequately assessed . No acute osseous abnormalities .
    OUTPUT:
    
Regions of confluent consolidation bilaterally , most extensive on the left upper lobe , compatible with pneumonia in the proper clinical setting .