Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . Mediastinal and hilar contours are unremarkable with atherosclerotic calcifications again seen in the aortic arch . Mild pulmonary vascular congestion is present . Small left and moderate right bilateral pleural effusions are noted , increased in size compared to the previous radiograph . No pneumothorax is demonstrated . Compressive atelectasis is noted in both lung bases . There are no acute osseous abnormalities .
    OUTPUT:
    
Mild pulmonary vascular congestion . Increased size of moderate right and small left bilateral pleural effusions with bibasilar compressive atelectasis .