Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Opacification of the right lung has now increased , now involving the entire right hemithorax with air bronchograms and several foci of increased opacity within the right lung as well as left lower lung , findings most concerning for multifocal pneumonia . Bilateral pleural effusions are small and new . Atelectasis has increased in both lung bases with more indistinctness of the descending aorta as well as the right medial hemidiaphragm . Cardiomediastinal silhouette is unchanged . Central pulmonary vascular congestion is also unchanged . No pneumothorax .
    OUTPUT:
    
Interval development of opacification with air bronchograms of the right hemithorax , most concerning for progression / development of multifocal pneumonia .