Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a left - sided pacemaker . An NG tube is appropriately positioned in the stomach . Bilateral diffuse pulmonary opacities have improved since the prior exam and there are no new consolidations . There is a stable persistent left - sided pleural effusion . Previously seen right - sided pleural effusion has resolved . There is stable cardiomegaly .
    OUTPUT:
    
1 . Signficantly improved bilateral diffuse pulmonary opacities . 2 . Stable moderate left - sided pleural effusion and resolved right - sided pleural effusion .