Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is new left basilar opacity silhouetting the hemidiaphragm . Elsewhere , the lungs are clear . Cardiac silhouette is mildly enlarged . Atherosclerotic calcifications are noted at the aortic arch . Left chest wall dual lead pacing device is seen with tips in the left ventricle left atrium . Calcified breast implants are noted . No acute osseous abnormalities .
    OUTPUT:
    
Left lower lobe consolidation compatible with pneumonia .