Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate enlargement of the heart remains . The aorta is tortuous and diffusely calcified . Mediastinal and hilar contours are similar . Mild pulmonary vascular congestion is present with minimal streaky bibasilar opacities , likely atelectasis , but aspiration or infection is not excluded . No pleural effusion or pneumothorax is present . No acutely displaced fractures rib fractures are identified . Cholecystectomy clips are noted in the right upper quadrant of the abdomen . No subdiaphragmatic free air .
    OUTPUT:
    
Mild pulmonary vascular congestion and bibasilar opacities , likely atelectasis but aspiration or infection is not excluded .