Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is enlarged . The hilar and mediastinal contours are unchanged since the ___ study . There is prominence of the ascending aorta , with calcifications seen along the right border , unchanged over multiple prior studies . There is mild bronchovascular crowding secondary to low lung volumes . No pneumothorax , focal consolidation , or pleural effusion is seen .
    OUTPUT:
    
No acute intrathoracic process . Prominence of the ascending aorta which may indicate an aneurysm .