Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . The lungs are clear . VP shunt tubing crosses the right hemithorax . The cardiomediastinal silhouette is normal . Degenerative changes at the AC joint noted . DISH - related changes of the T - spine noted . No free air seen below the right hemidiaphragm .
    OUTPUT:
    
No evidence of pneumonia or pulmonary edema .