Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two - views of the chest show that the lungs are well expanded and clear . The cardiomediastinal silhouette and hilar contours are normal . No pleural effusion or pneumothorax is present . Note is made of an azygos lobe . An enchondroma is noted in the right humeral head .
    OUTPUT:
    
No acute intrathoracic process .