Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is overall little change compared with prior exam dated ___ with slight decrease in hazy opacification of the right hemithorax and improvement in pulmonary vascular engorgement and small right pleural effusion although this could be attributable to upright positioning of the patient compared to semi erect positioning on the previous study . Cardiac silhouette remains moderately enlarged . The right IJ central venous catheter is unchanged in position with the tip projecting over the mid SVC . Mild bibasilar atelectasis is unchanged .
    OUTPUT:
    
Little change since prior study with slightly improved appearance of the vascular congestion and right pleural effusion although this could be due to different technique .