Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is mildly enlarged . The aorta is tortuous and diffusely calcified . The mediastinal and hilar contours are otherwise unremarkable . The pulmonary vasculature is not engorged . Minimal linear opacities in the left lung base are compatible with subsegmental atelectasis . No focal consolidation , pleural effusion or pneumothorax is identified . Partially imaged left humeral head prosthesis as well as posterior spinal fusion hardware within the lumbar spine is re-demonsrated . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality .