Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate to severe enlargement of the cardiac silhouette is re - demonstrated , similar compared to the previous exam . Widening of the mediastinum is also unchanged , and attributable to the presence of mediastinal lipomatosis . Aortic contour is unchanged . There is mild pulmonary edema , with right basilar opacification likely reflecting a combination of atelectasis and a small right pleural effusion . Patchy left basilar opacity is also noted and a small left pleural effusion can not be fully excluded . There is no pneumothorax . Degenerative changes of both glenohumeral joints are noted with degenerative spurring and subchondral sclerosis .
    OUTPUT:
    
1 . Mild pulmonary edema . 2 . Patchy bibasilar airspace opacities may reflect atelectasis though aspiration or infection are not excluded . Small right pleural effusion , and possible trace left pleural effusion .