Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild to moderate cardiomegaly is stable . The mediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . The lungs are well expanded and clear without focal consolidation concerning for pneumonia . The upper abdomen is unremarkable . The patient is status post CABG with intact median sternotomy wires .
    OUTPUT:
    
No acute cardiopulmonary process .