Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs are grossly unchanged from prior radiograph , demonstrating a normal cardiomediastinal silhouette and hyperinflated lungs without focal consolidation or pulmonary edema . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Unchanged hyperinflated lungs without focal consolidation , pulmonary edema , or pleural effusion .