Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to prior , there is increased bilateral interstitial opacities as well as focal increase in retrocardiac opacity , likely due to worsening pulmonary edema as well as aspiration or atelectasis . Severe cardiomegaly is unchanged . Wide mediastinal and hilar contour are unchanged . Left - sided infusion port terminates in the right atrium . No pneumothorax .
    OUTPUT:
    
Worsening pulmonary edema with increased retrocardiac opacity , concerning for aspiration or atelectasis .