Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Large right pneumothorax appears overall unchanged from the earliest exam on ___ but is increased from the prior . An apical pneumothorax also appears similar and is likely in communication with the large basilar component and increasing in size . The right hemidiaphragm appears more depressed , suggesting tension . Right lung atelectasis with rightward shift of the mediastinum is probably overall similar . Stable left small pleural effusions .
    OUTPUT:
    
1 . Large right pneumothorax with evidence of tension - chest tube should be placed . 2 . Severe right lower lung atelectasis , overall unchanged . 3 . Small left pleural effusion is unchanged .