Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are normal . There is a right - sided IJ which terminates in the mid SVC . There is a pacemaker with the leads in appropriate position . Again seen are diffuse bilateral parenchymal opacities which appear to demonstrate slight interval improvement compared to the prior exam . There is no large pleural effusion . There is no evidence of a pneumothorax . No new focal consolidations concerning for infection are identified .
    OUTPUT:
    
Slight interval improvement in the diffuse bilateral parenchymal opacities compared to the prior exam , likely reflect improvement of mild bilateral pulmonary edema .