Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Lung volumes are somewhat low . The lungs are clear bilaterally without focal consolidation , effusion , or pneumothorax . The cardiomediastinal silhouette is normal . The imaged bony structures are intact . No free air is seen below the right hemidiaphragm . No displaced rib fractures are identified .
    OUTPUT:
    
No acute intrathoracic process . No definite displaced rib fractures . If there is persistent clinical concern , a dedicated rib series may be performed to further assess .