Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate well - aerated lungs which are clear without focal consolidation concerning for pneumonia . Minimal left base scarring is again seen . There is no pleural effusion or pneumothorax . There is substantial distention of the ascending aorta , increased since prior radiographs . The heart size is normal .
    OUTPUT:
    
1 . Substantial distention of the ascending aorta , increased since prior radiographs . CTA chest to further evaluate the ascending aorta is recommended . 2 . No evidence of pneumonia . These findings were entered into the critical communication dashboard by Dr . ___ at ___ on ___ .