Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low resulting in bronchovascular crowding . However , there is new consolidation within the right lung base which is concerning for aspiration or pneumonia . Opacity within the retrocardiac region is similar to prior and likely reflects chronic infection as seen on prior chest CT . Upper lungs are clear . There is no large pleural effusion . Mediastinal and hilar contours are within normal limits . Mild widening of the cardiac silhouette is likely secondary to the AP technique .
    OUTPUT:
    
Probable new right lower lobe pneumonia / aspiration and persistent infection in the left lower lobe .