Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung hyperinflation with underlying emphysematous changes are again seen . Heart and mediastinal contours are stable with mediastinal clips likely reflecting prior esophagectomy . There is bibasilar atelectasis . No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is detected . An approximately 1 .5 cm nodular opacity projecting in the region of the left hilum may represent an en face vessel .
    OUTPUT:
    
No radiographic evidence for acute cardiopulmonary process .