Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild hyperexpansion with flattening of the diaphragms is noted . There is no focal consolidation , pleural effusion , pneumothorax , or pulmonary process identified . The heart size is normal . Mediastinal contours are normal . There are no acute bony abnormalities detected .
    OUTPUT:
    
Mild emphysematous changes . No radiographic evidence of acute cardiopulmonary process or metastatic disease .