Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is borderline enlarged . Mediastinal and hilar contours are unremarkable with mild tortuosity of the thoracic aorta again noted . There are mild atherosclerotic calcifications noted at the aortic knob . Pulmonary vasculature is not engorged . Lungs remain hyperinflated . No focal consolidation , pleural effusion or pneumothorax is present . Osseous structures are diffusely demineralized without acute osseous abnormality visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .