Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Multiple overlying EKG leads are present . Lungs are clear . Cardiomediastinal and hilar contours are within normal limits . There is no pneumothorax or pleural effusion . No free air under the right hemidiaphragm . Degenerative changes at the acromioclavicular joints bilaterally . Cervical hardware is identified .
    OUTPUT:
    
No acute intrathoracic abnormality .