Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are reasonably well expanded without focal consolidation . There is no pleural effusion or pneumothorax . Sternotomy wires , valvular prosthesis , coronary vascular stent and surgical clips are noted . Curvilinear density on the lateral view in the anterior chest is of uncertain identity , likely postsurgical in nature . The heart is normal in size with tortuous aorta with a prominent aortic knob .
    OUTPUT:
    
No acute intrathoracic process with a tortuous and prominent thoracic aorta .