Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top normal . The right mediastinal contour in the region of the ascending aorta appears abnormally prominent . Hilar contours are unremarkable . Pulmonary vasculature is not engorged . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . Marked gaseous distention of the bowel loops within the left upper quadrant of abdomen results in elevation of the left hemidiaphragm .
    OUTPUT:
    
Unusual right mediastinal contour , potentially reflective of a prominent ascending aorta , which can be further assessed with CT . Otherwise , no acute cardiopulmonary abnormality .