Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A small right apical pneumothorax seen on CT on ___ is not definitely visualized . There is a displaced right midclavicular fracture . Multiple other right - sided rib fractures are better evaluated on recent CT . Overall lung volumes are low , with bibasilar atelectasis . There is no focal consolidation to suggest pneumonia . There is no pleural effusion . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Previously seen small right apical pneumothorax on CT on ___ is not definitely visualized .