Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear . The cardiomediastinal and hilar contours are stable . There is no pleural effusion or pneumothorax . A moderate to large hiatal hernia is better seen on recent CT of the abdomen and pelvis from ___ . Sternotomy wires , ring markers , and multiple mediastinal clips are present and are the sequela of prior CABG surgery . The sternotomy wires are intact . There is no evidence of subdiaphragmatic free air .
    OUTPUT:
    
No acute cardiopulmonary process . Hiatal hernia again seen .