Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . Lungs are well expanded and clear . There is no focal consolidation , pleural effusion or pneumothorax . Fusion hardware is partially imaged in the lumbar spine as well as changes related to prior left shoulder arthroplasty
    OUTPUT:
    
No acute cardiopulmonary process .