Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is new left basilar opacity which partially silhouettes the left cardiac border also seen posteriorly on the lateral view . Elsewhere , the lungs are unchanged . There is no effusion . Cardiomediastinal silhouette is within normal limits . Median sternotomy wires and coronary artery stents are noted . No acute osseous abnormalities .
    OUTPUT:
    
Left lingular and lower lobe consolidation worrisome for pneumonia .