Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is unchanged . There are bilateral opacities with a bibasilar predominance , right greater than left , compatible with pulmonary edema . More dense opacity at the right base may reflect pneumonia . There may be a small right pleural effusion . There is no large pneumothorax .
    OUTPUT:
    
Stable moderate cardiomegaly with new mild pulmonary edema and possible pneumonia at the right base .