Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is detected . Heart and mediastinal contours are stable with aortic calcification and tortuosity . Sternotomy wires appear intact . Mediastinal clips likely reflect prior CABG .
    OUTPUT:
    
No radiographic evidence for active tuberculosis .