Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a small right apical pneumothorax . The left lung is clear . There is mild bibasilar atelectasis . There is no focal consolidation or pleural effusion . The cardiomediastinal and hilar contours are within normal limits . Known right rib fractures seen on prior CT are better evaluated on cervical spine CT exam and not clearly visualized on this examination .
    OUTPUT:
    
Small right apical pneumothorax .