Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior radiograph there is no significant change in the moderate cardiomegaly , left pleural effusion , and mild interstitial edema . Calcified paratracheal lymph node is unchanged . Left basal opacity might represent atelectasis . Bilateral pleural effusions , left more than right are better characterized on a CT chest obtained several hours prior . Sternal wires are intact . Aortic arch is moderately calcified . No significant right pleural effusion .
    OUTPUT:
    
Unchanged moderate cardiomegaly , moderate left pleural effusion , and mild interstitial edema . Atelectasis