Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The lungs are clear . The cardiac and mediastinal and hilar contours are normal . Heart size is top normal . There is no pleural effusion or pneumothorax . Clips in thyroid bed from prior surgery .
    OUTPUT:
    
No acute cardiopulmonary process . Heart size is top normal .