Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bibasilar atelectasis noted . Mid upper lungs appear clear . There is no large pleural effusion , pneumothorax , or pulmonary edema . Mild cardiomegaly is noted . Bony structures intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Mild cardiomegaly and bibasilar atelectasis .