Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . There are persistent prominent interstitial reticular markings , predominantly in bilateral lower lobes , consistent with known pulmonary fibrosis . No acute focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is seen . The heart size is normal . Mediastinal and hilar contours are stable .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Stable pulmonary fibrosis , predominantly in the bilateral lower lung zones . Findings were communicated with ___ , for Dr . ___ by Dr .___ at time of observation at 2 :45 p .m . on ___ .