Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size remains mildly enlarged . The mediastinal contour is similar . There is mild pulmonary edema with pulmonary vascular indistinctness and perihilar haziness , more progressed in the interval . Small bilateral pleural effusions , greater on the left are noted , not substantially changed in the interval . Streaky opacities in the lung bases likely reflect areas of atelectasis . No pneumothorax is demonstrated . Moderate to severe multilevel degenerative changes are noted in the thoracic spine with bridging anterior osteophytes .
    OUTPUT:
    
Mild pulmonary edema , slightly worse in the interval , with small bilateral pleural effusions and bibasilar atelectasis .