Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are now clear . Cardiac silhouette is normal in size . Aorta is tortuous . Pulmonary vasculature is within normal limits . There is no pleural effusion or pneumothorax or significant pulmonary edema . The patient is status post left shoulder replacement . Right shoulder degenerative changes are again noted .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .