Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is moderately enlarged . The aorta is unfolded . There is mild pulmonary edema . No pleural effusion or pneumothorax is present . No acute osseous abnormality is seen . Minimal degenerative spurring of the left acromioclavicular joint is present .
    OUTPUT:
    
Mild congestive heart failure .