Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with recent radiographs from ___ , there has been progressive worsening of the ill - defined opacity in the right lower lung , without obscuration of the right heart border . Bilateral diffuse interstitial opacities are unchanged from ___ , but new from ___ , suggesting a background of diffuse interstitial edema . A small right - sided pleural effusion is not significantly changed from prior . There is mild pleural thickening seen in the periphery of the right lung base . There is no left - sided pleural effusion . No pneumothorax is identified . Streaky opacities in the left lung base are compatible with atelectasis . Even though an AP view is not ideal for assessment of heart size , there appears to be moderate cardiomegaly .
    OUTPUT:
    
1 . Right lower lobe pneumonia with underlying interstitial pulmonary edema . 2 . Stable cardiomegaly .