Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A frontal upright view of the chest was obtained portably . Bibasilar opacities likely reflect a combination of pleural effusions and atelectasis . Pulmonary vasculature is enlarged , predominantly in the perihilar regions , in the setting of cardiomegaly . The upper lung zones are clear . No pneumothorax . Mediastinal silhouette is within normal limits . Degenerative change is seen at the right acromioclavicular joint .
    OUTPUT:
    
Findings compatible with mild congestive heart failure .