Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . NO DISPLACED RIB FRACTURE IS IDENTIFIED .
    OUTPUT:
    
Low lung volumes , but no acute cardiopulmonary process seen . No displaced rib fracture identified , however , if there is high concern for such , suggest dedicated rib series or chest CT , which are more sensitive .