Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the chest radiograph obtained 1 day prior , there is a large , loculated hydropneumothorax in the left upper lung and a smaller loculated hydro pneumothorax in the mid left lung . Rightward mediastinal shift is unchanged . A left - sided pleural drainage catheter is unchanged in position . Unchanged large hiatal hernia . The right lung is fully expanded and clear .
    OUTPUT:
    
Large , left apical pneumothorax with a new large fluid component concerning for a postoperative , loculated hemothorax . Separate , small , loculated hydro pneumothorax also concerning for postoperative bleeding .