Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is moderately enlarged but unchanged . The aorta is tortuous and diffusely calcified . Mediastinal contour is stable . The pulmonary vasculature is not engorged . Minimal subsegmental atelectasis is noted in the left lung base . The lungs are otherwise clear without focal consolidation . No pleural effusion or pneumothorax is present . No acute osseous abnormalities demonstrated . Remote left - sided rib fracture is noted .
    OUTPUT:
    
No acute cardiopulmonary process .