Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette is normal in size . The aorta is mildly tortuous . Linear atelectasis in the right mid lung field is unchanged . Remainder of the lungs are clear . No pleural effusion or pneumothorax . No acute osseous findings . There is a hiatal hernia .
    OUTPUT:
    
No acute cardiopulmonary process .