Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is detected . Mild cardiomegaly persists . Mediastinal contours are stable with aortic tortuosity . Lumbar spine fusion hardware is partially imaged .
    OUTPUT:
    
Mild cardiomegaly without radiographic evidence for acute change .