Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are unchanged . Small bilateral pleural effusions are similar in size to the prior chest radiograph on ___ . Bibasilar opacities , greater on the left , appear minimally increased which may reflect atelectasis or infection . Of note there is engorgement of the azygos vein , increased from the prior examination . No pneumothorax .
    OUTPUT:
    
Small left bilateral pleural effusion is not significantly increased from ___ . Right - sided effusion may be minimally increased . Bibasilar opacities , greater on the left may reflect compressive atelectasis or infection in the appropriate setting . New engorgement of the azygos vein could reflect elevated pulmonary venous pressure or tamponade phenomenon .