Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is interval worsening of now mild - to - moderate interstitial pulmonary edema and small - to - moderate bilateral layering pleural effusions . There is no evidence of pneumothorax . There is associated bibasilar atelectasis with no focal opacities concerning for pneumonia . The cardiomediastinal and hilar contours are stable demonstrating moderate cardiomegaly . Note is made of multiple left - sided rib fractures that in retrospect can be demonstrated on radiographs from ___ .
    OUTPUT:
    
1 . Worsened now mild - to - moderate interstitial pulmonary edema and small - to - moderate bilateral layering pleural effusions . 2 . Left - sided rib fractures in retrospect apparent since at least ___ .