Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There relatively low lung volumes . Increased interstitial markings are again seen bilaterally , slightly more prominent as compared to the prior study . Findings consistent with patient 's known chronic interstitial lung disease which may have progressed arm and superimposed mild edema . No definite new lobar consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac silhouette is top - normal . Mediastinal contours are unremarkable .
    OUTPUT:
    
Increased interstitial markings re - demonstrated bilaterally , slightly more prominent as compared to the prior study from ___ , could be due to further progression of chronic interstitial lung disease or chronic interstitial lung disease with superimposed mild pulmonary edema .