Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral chest radiograph demonstrates cardiomegaly stable since prior study . A left chest cardiac pacing device is present , its leads which appear in similar positions relative to prior examination . Multiple mediastinal clips project over the left mediastinal border . Median sternotomy wires appear intact . There is mild central vascular engorgement and increased perihilar opacities which suggests mild pulmonary edema . There is no large pleural effusion . There is no pneumothorax . There is no opacity convincing for pneumonia .
    OUTPUT:
    
Mild pulmonary edema with stable cardiomegaly .