Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild pulmonary edema is improved . Small right pleural effusion has improved . Patient is post CABG with postsurgical clips noted and median sternotomy wires intact . Heart is mildly enlarged , unchanged compared to prior study . Mitral annular calcifications are again noted . Right pectoral transvenous pacer leads terminate in the right atrium and right ventricle . No pneumothorax is seen . The hilar and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Right pectoral transvenous pacer with stranding in the right atrium and right ventricle . No pneumothorax . Mild pulmonary edema and small right pleural effusion improved .