Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is stable moderate cardiomegaly with worsening bilateral interstitial opacities and fissural thickening compatible with worsening pulmonary edema . Somewhat more dense opacity of the right base may reflect pneumonia . The mediastinal and hilar contours are normal . No pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Stable moderate cardiomegaly with worsening interstitial pulmonary edema . 2 . Dense opacity in the right middle lobe obscuring the right heart border may reflect pneumonia although the appearance was similar during prior episodes of pulmonary edema . Followup chest radiographs are suggested after treatment of pulmonary edema to ensure there is no underlying pneumonia .