Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The hemidiaphragm are well visualized ; no subdiaphragmatic masses nor free air noted . Trachea is midline , carina is visualized . Mediastinal structures appear normal and are unchanged compared to prior study . Cardiac size is normal , cardiac borders are well visualized , the cardiomediastinal silhouette appears normal . Bony structures appear normal without any evidence of acute fractures nor abnormality . Bilateral lung fields are clear without any opacities , nodules , nor consultation appreciated . Costophrenic angles are sharp and well visualized .
    OUTPUT:
    
Findings are stable and unchanged when compared to prior study from ___ . No acute cardiopulmonary abnormality noted . Bilateral lung fields are clear without any opacities , nodules , nor consultation appreciated .