Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post CABG with sternotomy wires and clips noted . Heart is normal size and unchanged . Mediastinal and hilar contours are normal . Lungs are clear and lung volumes are normal . No pleural effusion , pneumothorax or focal airspace consolidation . The right costophrenic angle was not completely visualized on the frontal view .
    OUTPUT:
    
No acute cardiopulmonary process .