Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Peripheral reticular opacities are noted , most pronounced in the mid-to - lower lungs , which appear stable to minimally progressed which could reflect the patient 's known emphysema / fibrosis . There is no clear sign of a superimposed consolidation or signs of CHF . Old right rib cage deformity is noted . No pleural effusion or pneumothorax . Cardiomediastinal silhouette appears stable .
    OUTPUT:
    
Peripheral reticular markings notable at the lung bases likely indicative of chronic fibrotic change . No superimposed pneumonia or CHF .