Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is within normal limits . Heavy pericardial calcification might be contributing to EKG abnormality . There is no mediastinal venous distension to suggest restrictive pericarditis . The aorta is moderately tortuous . The lungs are clear . There is no pleural effusion or pneumothorax . Clips in the right upper quadrant of the abdomen represent prior cholecystectomy .
    OUTPUT:
    
No acute cardiopulmonary process .