Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior radiograph , the left sided chest tube has been removed and the left pleural effusion has increased in size . The superior portion of the left hemithorax is also diffusely opacified , which is due to layering pleural effusion . Oval shaped lucency abutting left heart border is likely a basilar pneumothorax and has remained stable since ___ . The right lung essentially clear . Cardiomediastinal silhouette is stable . No acute osseous abnormalities . Median sternotomy wires and left subclavian catheter are unchanged in position . Left midline catheter terminates in the axillary or left brachiocephalic vein , unchanged .
    OUTPUT:
    
1 . Interval removal of the left pigtail catheter , with worsening layering left pleural effusion . 2 . Stable small left basilar pneumothorax .