Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright portable chest radiograph demonstrates increasing bibasilar opacities , with likely small bilateral pleural effusions , and an interval increase in pulmonary edema , now moderate in degree . Airspace opacity in the right upper lobe may reflect asymmetric edema or developing infection . The cardiac silhouette remains enlarged , and is slightly increased in size compared with prior . The mediastinal contours are unchanged .
    OUTPUT:
    
Interval increase in heart size , and in pulmonary edema which is now moderate . There are small bilateral pleural effusions . Airspace opacity in the right upper lobe is new and may represent asymmetric edema or developing infection .