Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded with unchanged scarring in the right upper lung . The cardiomediastinal silhouette is unchanged with unfolded aorta . No pleural effusion or pneumothorax is seen . Degenerative changes are seen in the glenohumeral joints .
    OUTPUT:
    
No acute intrathoracic process .