Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear unchanged . The patient is status post coronary artery bypass graft surgery and a and O of vascular treatment of the aortic valve . A two - lead pacemaker / ICD device appears unchanged . On this study pulmonary edema seems mildly improved but with persistent fissural thickening and perhaps slight decrease in the predominantly central interstitial abnormality .
    OUTPUT:
    
Findings consistent with moderate pulmonary edema , similar to slightly improved . Status post CABG and endovascular aortic valve repair .