Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate enlargement of the cardiac silhouette persists . The mediastinal contour is unchanged with atherosclerotic calcifications noted at the aortic knob . Mild pulmonary edema is slightly worse in the interval with moderate size bilateral pleural effusions , increased in size . Patchy opacities in the lung bases , more so on the right likely reflect areas of atelectasis . No pneumothorax is present . Degenerative changes are again noted within the thoracic spine .
    OUTPUT:
    
Mild pulmonary edema and moderate size bilateral pleural effusions , worse in the interval . Bibasilar atelectasis .