Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Severe cardiomegaly is re- demonstrated with similar mediastinal contours . Mild pulmonary vascular congestion is slightly improved compared to the previous study . Moderate to large right pleural effusion which is loculated partially laterally appears increased from the previous study . Worsening opacification of right lung base may reflect atelectasis , however infection is not excluded . There is a small left pleural effusion with left basilar atelectasis . No pneumothorax is identified .
    OUTPUT:
    
Worsening opacification in the right lung base may reflect increased atelectasis though infection is not excluded . Increased size of large right partially loculated pleural effusion and trace left pleural effusion . Mild pulmonary vascular congestion , slightly improved in the interval .