Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is mildly enlarged . There has been interval improvement of the mediastinal vascular engorgement . There has been interval improvement of the previously seen diffuse bilateral pulmonary edema . No new focal consolidations concerning for infection is identified . There is a small left pleural effusion . There is no pneumothorax . Again seen are streaky mid left lung opacities consistent with atelectasis . Again seen are old bilateral rib fractures with evidence of callus formation . Multilevel degenerative changes are seen throughout the thoracic spine , including stable compression deformities of the lower thoracic spine , better assessed on the skeletal survey from ___ .
    OUTPUT:
    
Interval improvement of the bilateral pulmonary edema . No new focal consolidations concerning for infection are identified .