Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A small right apical pneumothorax has minimally decreased , now measuring 8 mm in maximum width . A small right pleural effusion and right basal atelectasis are unchanged , with a catheter in the right basal pleural space . The left lung is clear , without effusion or pneumothorax . The cardiomediastinal and hilar contours are normal .
    OUTPUT:
    
Mild decrease in the right apical pneumothorax ,