Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiograph demonstrates a new right lower lobe opacity obscuring the right hemidiaphragm consistent with large right pleural effusion . Left lung is clear . Mediastinal contour and hila are unremarkable . Persistent tortuosity of the aorta . Interval increase in size of cardiomediastinal silhouette . Limited assessment of the upper abdomen is unremarkable .
    OUTPUT:
    
1 . New large pleural effusion . 2 . Worsened moderate to severe enlargement of cardiomediastinal silhouette is worrisome for pericardial effusion . 3 . No pulmonary edema or pneumonia .