Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Right IJ central venous catheter terminates in the right atrium . NG tube terminates in the stomach . The opacification of the left lung base is similar to prior , consistent with a moderate sized pleural effusion with adjacent atelectasis . Right middle lobe opacity is also similar to prior and consistent with atelectasis . No pneumothorax . Heart size and cardiomediastinal contours are normal .
    OUTPUT:
    
Stable appearance of left pleural effusion with bibasilar opacities most consistent with atelectasis .