Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to chest radiograph from the same day , mild pulmonary edema has developed . Peripheral right lower lobe and retrocardiac opacities have improved with improved visualization of the hemidiaphragms . Right posteromedial opacity persists can also be atelectasis or consolidation and should have attention on follow - up . No pleural effusions or pneumothorax . Multiple healing rib fractures on the right .
    OUTPUT:
    
Mild pulmonary edema . Peripheral right lower lobe and retrocardiac atelectasis has improved . Right posteromedial opacity persists can also be atelectasis or pneumonia and should have attention on follow - up .