Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval removal of right chest tube . Right pneumothorax causing an air - fluid level . Right pleural effusion is otherwise unchanged . The right apical lung mass is unchanged . The left lung is clear . Small left pleural effusion is new . The cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
1 . Interval removal of right chest tube with new right pneumothorax . 2 . Small left pleural effusion .