Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Normal heart size . A convex margin to the right mediastinum likely reflects dilation of the ascending thoracic . No focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Dilation of the ascending aorta could be related to hypertension or aortic stenosis , correlate clinically . 2 . No acute pulmonary process