Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post coronary artery bypass graft surgery . There is a dual - lead pacemaker / ICD device that appears unchanged . A dual - lumen catheter terminates at the cavoatrial junction , as before . There is a PICC line coursing into the superior vena cava whose distal course is not well delineated on this examination , although it probably terminates in the superior vena cava . The patient has been extubated and an orogastric tube removed . The heart is moderately enlarged , as before . The mediastinal and hilar contours appear unchanged . Lung volumes are decreased and there is a new mild - to - moderate interstitial abnormality with perihilar fullness suggesting mild pulmonary edema . Persistent opacification of the left lung base has improved . It is difficult to exclude a pleural effusion on the left side . There is no pneumothorax .
    OUTPUT:
    
Status post extubation . Findings suggesting mild pulmonary edema . Persistent left basilar opacification , but somewhat improved .