Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Right chest wall port catheter terminates in the mid SVC . Left chest wall pacer lead terminates in the right ventricle . Heart size and cardiomediastinal contours are normal . Mild interstitial opacities appear chronic , most noted along the periphery . Minimal left base atelectasis is probably present .
    OUTPUT:
    
1 . Possible minimal left base atelectasis . Underlying aspiration is not excluded . 2 . Chronic interstitial lung disease .