Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Image quality is suboptimal due to radiation scatter . There is no pneumothorax . There is mild pulmonary vascular congestion . Enlargement of the cardiac silhouette is slightly worse compared to prior . Hazy right basilar opacities may be due to mediastinal fat and atelectasis . No free air below the right hemidiaphragm is seen . The right hilum is a bit more prominent compared to prior .
    OUTPUT:
    
Interval enlargement of the cardiac silhouette and mild pulmonary vascular congestion raises the possibility of CHF exacerbation . The right hilum is also more prominent compared to prior and could be due to vascular engorgement .