Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right subclavian MediPort terminates in the right atrium . Allowing for differences in rotation , lungs are unchanged . Again , diffuse reticular opacities are noted throughout both lungs , left greater than right , and are consistent with known pulmonary fibrosis , likely NSIP , as demonstrated on the prior chest CT . There is no pleural effusion or pneumothorax . There is no focal airspace consolidation . Postbiopsy changes are seen in the right lower lung . The cardiac size is top normal and mediastinal contours are unchanged .
    OUTPUT:
    
Little interval change .