Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Increased interstitial opacity and upper zone redistribution compatible with pulmonary edema . No large pleural effusion or focal consolidation . Heart size is mildly enlarged , as before . No pneumothorax . Osseous structures are unremarkable .
    OUTPUT:
    
1 . Mild - to - moderate pulmonary edema , not significantly changed from ___ . 2 . Mild cardiomegaly . 3 . No large pleural effusion or focal consolidation .