Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: All lines and tubes are unchanged in positioning . There is a persistent small left apical pneumothorax . The diffuse bilateral airspace opacities may have slightly improved . The bilateral pleural effusions are stable in size . The cardiomediastinal silhouette is stable . The stomach is moderately distended with air .
    OUTPUT:
    
1 . Unchanged positioning of all lines and tubes . 2 . Persistent small left apical pneumothorax . 3 . Slightly improved diffuse bilateral airspace opacities and unchanged bilateral pleural effusions .