Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lungs appear hyperinflated . No convincing evidence for pneumonia , edema , effusion or pneumothorax lung markings appears slightly coarsened . Cardiomediastinal silhouette appears stable and normal . Chronic deformities involving the right sixth , seventh and eighth ribs noted with prominent bony callus . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
No acute intrathoracic process .