Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are lower than on the prior study . Minimally increased left basilar opacity is likely atelectasis given the lower lung volumes . Right upper lobe bronchiectasis may be present . The remainder of the lungs are clear . There is no pleural effusion or pneumothorax . Heart size is normal . Mediastinal silhouette and hilar contours are stable .
    OUTPUT:
    
No pneumonia . Dr . ___ paged Dr . ___ at 1 :32 p .m . on ___ to provide the requested preliminary reading .