Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest provided . An opacity projecting over the lung bases on the lateral view likely represents basilar atelectasis . Moderate right apical pneumothorax is mildly increased . Hilar and cardiomediastinal contours are normal . Rib fractures are unchanged .
    OUTPUT:
    
1 . Moderate right apical pneumothorax is mildly increased in size from ___ . 2 . Rib fractures are stable .