Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is persistent . Mild interstitial edema is overall unchanged compared to the prior exam . The hilar and mediastinal contours are stable . No focal consolidations concerning for pneumonia are identified . There is mild bibasilar atelectasis . There is no evidence of a pneumothorax or pleural effusion . Deformity of the posterior left 6th rib and atnerolateral right third rib appear overall stable compared to the prior exam .
    OUTPUT:
    
No focal consolidations concerning for pneumonia . Stable moderate cardiomegaly . Minimal interstitial edema appears slightly improved .