Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are diffuse interstitial opacities , compatible with interstitial pulmonary edema . Additionally , there is a more focal opacity at the right lung base , which is most likely also due to underlying pulmonary edema , although superimposed pneumonia could be considered in the appropriate clinical setting . There is no large pleural effusion or pneumothorax . Heart size is moderately enlarged , which appears new from the prior radiograph in ___ , although it may partially be due to portable technique . Aortic arch calcifications are noted . No acute osseous abnormalities identified .
    OUTPUT:
    
1 . Moderate cardiomegaly with diffuse interstitial opacities and redistribution , compatible with interstitial pulmonary edema . 2 . More focal opacity at the right lung base is most likely due to underlying pulmonary edema , although superimposed pneumonia could be considered in the appropriate clinical setting .