Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The right hilus is asymmetrically enlarged . The aorta is tortuous . There is mild pulmonary vascular congestion without frank edema . Retrocardiac and right basal opacities could represent atelectasis or infection in the appropriate setting . No pneumothorax or pleural effusion .
    OUTPUT:
    
Mild vascular congestion without frank edema . Bibasilar opacities are consistent with atelectasis however infection should be considered in the appropriate setting . Enlarged right hilus may be related to vascular congestion or underlying mass . Recommend evaluation with CT when clinically appropriate .