Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs on ___ , there is increased atelectasis in the right middle lobe and left lower lobe . Overall lung volumes are low . Again seen is an elliptical opacity in the right mid lung , shown to be loculated fluid on prior chest CT ___ . There is no focal consolidation to suggest pneumonia . No pleural effusion or pneumothorax is seen . There stable cardiomegaly . Right central venous catheter terminates at the cavoatrial junction .
    OUTPUT:
    
Increased atelectasis of the Right middle and left lower lobes . Overall low lung volumes .