Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Heart size and cardiomediastinal contours are stable . Lung volumes are low , exaggerating bronchovascular markings . No focal consolidation , pleural effusion , or pneumothorax . No thoracic vertebral body compression deformity or displaced rib fracture appreciated .
    OUTPUT:
    
No evidence of acute traumatic injury .