Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest x-rays were obtained with comparison made to the immediate prior exam on ___ . The cardiac , mediastinal and hilar silhouettes are stable . Scar formation in the left upper lobe post-lobectomy is again noted as well as surgical clips in the area and mild degree of left diaphragmatic elevation , which are stable compared to prior study . There are no new infiltrates seen . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Stable chest radiograph . No pneumonia .