Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post an aortic valve replacement . There are small , bilateral pleural effusions seen with minimal adjacent bibasilar atelectasis . There is no focal consolidation , pneumothorax , or overt pulmonary edema identified . Mild cardiomegaly is noted . Calcifications are noted within the aortic arch . There is mild rightward tracheal deviation , likely secondary to a tortuous aorta .
    OUTPUT:
    
1 . Status post aortic valve replacement . No evidence of mediastinal widening . 2 . Small bilateral pleural effusions with adjacent atelectasis .