Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are normal . Lung volumes remain low , and patchy right basilar opacities are new , superimposed upon pre-existing areas of linear scar or atelectasis . Mild linear scarring at the left base is unchanged . There are no pleural effusions or acute skeletal findings .
    OUTPUT:
    
New patchy right lower lobe opacities , which could reflect an early focus of pneumonia .