Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild hyperexpansion of the lungs and flattening of the diaphragms compatible with COPD . There is suggestion of mild emphysematous changes . The heart size is normal . The mediastinal silhouette , hilar contours , and pleural surfaces are normal . There are no acute infiltrates or pleural effusions . There is no apical pneumothorax present . The skeletal structures are well preserved .
    OUTPUT:
    
Mild hyperexpansion and suggestion of emphysematous changes compatible with COPD . There is no evidence of acute infiltrate or pneumothorax . The above results were communicated via telephone by Dr . ___ to Dr . ___ ___ at 2 :55 p .m . on ___ as requested .