Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is rotated to the right on this examination . Median sternotomy wires appear intact from prior CABG . Numerous mediastinal clips are again noted . Mediastinal and hilar contours appear within normal limits . Mild - to - moderate cardiomegaly appears unchanged . The lungs are clear . No confluent opacity is identified . There is no pneumothorax . No pulmonary edema or pleural effusions are evident . Surgical clips are again noted below the right hemidiaphragm and likely related to history of cholecystectomy as evidenced by prior CT .
    OUTPUT:
    
Unchanged mild - to - moderate cardiomegaly . No acute cardiopulmonary process .