Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged with a left ventricular predominance . The mediastinal and hilar contours are unchanged . Assessment of the medial aspects of the upper lobes is somewhat limited by the patient 's neck and chin projecting over these regions . Lungs are clear without focal consolidation , pleural effusion or pneumothorax . The pulmonary vasculature is not engorged . The osseous structures are diffusely demineralized without acute osseous abnormality in clearly noted .
    OUTPUT:
    
No acute cardiopulmonary abnormality .