Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright AP view of the chest . There is minimal bibasilar atelectasis . There is no evidence of pneumonia , pneumothorax or pulmonary edema . Cardiac silhouette is normal in size . Tortuosity of the aorta deviates the trachea slightly .
    OUTPUT:
    
No acute cardiopulmonary process .