Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral radiographs of the chest were acquired . There is redemonstration of streaky bilateral perihilar and lower lung opacities , consistent with mild - to - moderate interstitial pulmonary edema . Subsegmental bibasilar atelectasis is more prominent on the left . There are probable small bilateral pleural effusions , unchanged . Mild cardiac enlargement has not significantly changed allowing for differences in technique . The mediastinal contours are normal . There is no pneumothorax .
    OUTPUT:
    
1 . Unchanged mild - to - moderate interstitial pulmonary edema . 2 . Small bilateral pleural effusions , unchanged . 3 . Subsegmental bibasilar atelectasis , as before .