Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to prior study there is new multifocal opacity in the right hemithorax . A moderate left pleural effusion with associated compressive atelectasis is unchanged . Cardiomediastinal silhouette is stable . There is no pneumothorax .
    OUTPUT:
    
1 . New multifocal opacity in the right hemithorax concerning for pneumonia . 2 . Stable moderate left pleural effusion .