Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is enlarged but stable . Mediastinal contours demonstrate pulmonary vascular congestion . Unfolded aorta is again noted . Since the prior radiograph , new bibasilar patchy opacities could represent atelectasis , however pneumonia is not excluded . No large pleural effusion or pneumothorax . Small amount of fluid is seen in the right minor fissure .
    OUTPUT:
    
Since ___ , new patchy bibasilar opacities which could reflect atelectasis , however infection is not excluded . Moderate pulmonary vascular congestion .