Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is moderate cardiomegaly . The aortic knob is calcified . There is mild pulmonary vascular congestion with small bilateral pleural effusions noted . Streaky opacities at lung bases may reflect atelectasis . There is no pneumothorax . There are degenerative changes in the thoracic spine . Degenerative spurring is also noted in both acromioclavicular joints .
    OUTPUT:
    
Mild pulmonary vascular congestion and small bilateral pleural effusions . Mild bibasilar atelectasis .