Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated , but clear . Heart size is considerably enlarged and the aortic arch is markedly calcified . There is no focal consolidation or pleural effusion . Osseous structures are demineralized and there is mild compression of a mid thoracic vertebral body , which is likely chronic . No displaced rib fractures are identified .
    OUTPUT:
    
1 . Hyperinflated lungs likely reflecting COPD . 2 . Considerable cardiomegaly . 3 . No evidence of pneumonia .