Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right hemidiaphragm is elevated , as before , with a moderate right pleural effusion , and a small amount of pleural fluid tracking along the horizontal fissure . Bibasilar atelectasis is greater on the right . The left lung is otherwise clear . There is no pneumothorax . The cardiomediastinal silhouette is stable . The heart is top - normal in size . There is mild pulmonary vascular congestion .
    OUTPUT:
    
1 . Moderate right pleural effusion , extending into the horizontal fissure . 2 . Mild pulmonary vascular congestion .