Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable AP radiograph of the chest depicts new diffuse opacification of left lung , likely secondary to mild edema produced by the operation . The left mid lung field is slightly denser , which may represent persistence of the loculated pleural effusions seen on the prior radiograph from ___ . Two left basilar and one left apical pleural drainage catheters are present . There is a small left pleural effusion and left lower lobe atelectasis . Very mild right lower lobe linear atelectasis or scarring is unchanged . The right lung is otherwise clear . There is no pneumothorax and the heart size and mediastinal contours are unchanged .
    OUTPUT:
    
1 . Probable postoperative edema of the left lung with equivocal persistence of the loculated pleural effusion underlying it . 2 . Small layering pleural effusion and left basilar atelectasis . 3 . No pneumothorax .