Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal radiograph of the chest demonstrates normal heart size . There is a focal rounded contour to the decending aorta . Lung volumes are low but the lungs are clear . No pleural effusion or pneumothorax .
    OUTPUT:
    
1 . No pneumonia . 2 . Focal rounded contour to the decending aorta . Recommend PA and lateral radiographs of the chest to exclude underlying sacular descending aortic aneurysm . An email was sent to the ED QA nurses regarding the change in final read to include impression # 2 on ___ .