Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to previous exam from ___ . Lower lung volumes seen on the current exam . The lungs , however , are grossly clear . Cardiomediastinal silhouette is stable . Osseous and soft tissue structures are grossly unremarkable , without visualized displaced rib fracture .
    OUTPUT:
    
No acute cardiopulmonary process , no visualized rib fracture .