Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart has a left ventricular configuration , similar to prior . Mediastinal contours and tortuosity of the aorta are similar to prior . Elevation of the left hemidiaphragm appears chronic and bilateral basilar linear opacities may represent atelectasis or scarring . No focal consolidation or pneumothorax .
    OUTPUT:
    
No focal consolidation . Stable left hemidiaphragm elevation . Bibasilar atelectasis or scarring .