Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta remains markedly tortuous . Mediastinal and hilar contours are otherwise unremarkable . The pulmonary vasculature is normal and the lungs are clear . No focal consolidation , pleural effusion or pneumothorax is seen . There are mild degenerative changes in the thoracic spine . Radiopaque object is seen projecting over the medial aspect of the right breast on the frontal view , and appears external to the patient .
    OUTPUT:
    
No acute cardiopulmonary process .