Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In the short interval from prior exam , the interstitial markings are ill - defined and prominent compatible with interstitial pulmonary edema . Hilar congestion is also new in the interval . Patient is known to have background fibrosis . No large effusions or pneumothorax . No acute bony abnormalities . Clips noted in the upper abdomen .
    OUTPUT:
    
Pulmonary fibrosis now with superimposed pulmonary edema .