Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is difficult to assess given the presence of moderate to large bilateral pleural effusions , but appears at least moderately enlarged . The mediastinal contours are grossly unremarkable . Perihilar haziness with vascular indistinctness and diffuse alveolar opacities are compatible with moderate pulmonary edema . Bibasilar compressive atelectasis is demonstrated . No pneumothorax is seen . Moderate multilevel degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
Moderate pulmonary edema with moderate to large bilateral pleural effusions and bibasilar atelectasis .