Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation or pleural effusion . A tiny right apical pneumothorax has decreased since ___ . Small linear atelectasis in the right mid lung . Cardiac and mediastinal silhouettes and hilar contours are stable .
    OUTPUT:
    
Tiny right apical pneumothorax is smaller than on ___ .