Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac contours are normal . The aorta is tortuous , unchanged from prior . The lungs are hyperexpanded and clear . There is no pneumothorax or pleural effusion . Multiple healed left rib fractures are noted . The left hemidiaphragm is moderately elevated . Left shoulder arthroplasty is incompletely imaged
    OUTPUT:
    
No acute cardiopulmonary abnormalities