Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Hydropneumothorax the base the right lung is overall unchanged . The chest tube projecting over the right lower hemithorax appears intact and unchanged in position . Lung volumes remain low . Small left pleural effusion is also overall unchanged . Moderate atelectasis in the left lung is also unchanged . Mediastinal contours and a heart size are overall similar . Midline tracheostomy tube is unchanged .
    OUTPUT:
    
Unchanged right basal hydropneumothorax with chest tube to water seal . Otherwise , no significant interval change .