Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate left pleural effusion and small left apical pneumothorax is stable compared to 1 day prior . Left pleural pigtail catheter is in unchanged position . Multiple lung masses are again demonstrated . Right lung is otherwise clear . Cardiac silhouette is obscured by pleural effusion .
    OUTPUT:
    
No notable interval change . Stable left hydropneumothorax .