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 . Known lung nodules are better assessed by CT . Median sternotomy wires and mediastinal clips are again noted .
    OUTPUT:
    
No radiographic evidence for acute cardiopulmonary process .