Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is moderately enlarged , but similar in size compared to the previous radiograph . The aorta is tortuous and demonstrates diffuse atherosclerotic calcifications , unchanged . There is mild pulmonary edema . No pneumothorax is detected . A trace right pleural effusion is likely present . Patchy atelectasis is seen in the lung bases . There are no acute osseous abnormalities .
    OUTPUT:
    
Mild pulmonary edema and trace right pleural effusion . Bibasilar atelectasis .