Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Comparison is made to previous study from ___ . There are pleural effusions , left side worse than right . The effusions have decreased in size since the previous study . There is increased density at the left hilar region which may be due to tumor or persistent pulmonary interstitial edema which appears stable . There is a left - sided pacemaker with lead tips in the right atrium and right ventricle . Degenerative changes of the right glenohumeral joint are seen . There is some widening of the AC joint , which may be postoperative . There is a left IJ central venous line with the distal lead tip in the mid SVC .
    OUTPUT:
    
1 . Improvement in the bilateral pleural effusions since the prior study . 2 . Persistent pulmonary edema with prominence of the opacities at the left hilar region .