Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left chest tube projects over the left lung base . Small left pneumothorax is stable . Previously seen Small left pleural effusion has resolved . Apical component of the pneumothorax is stable and the pleural space previously occupied by pleural effusion is now replaced with basilar pneumothorax . Bilateral lungs are clear . Cardiomediastinal silhouette is normal size . Right coronary artery stent is in unchanged position .
    OUTPUT:
    
Small left pneumothorax is stable . Previously seen small left pleural effusion is resolved .