Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs with the patient in the upright position were reviewed . Comparison was made to the immediate prior exam of ___ . The cardiac , mediastinal and hilar silhouettes are stable . Scar formation in the left upper lobe , and surgical clips are expected post-lobectomy and are stable . A mild degree of left diaphragmatic elevation is unchanged and expected post lobectomy . There are no new infiltrates , no pneumothorax or pleural effusion .
    OUTPUT:
    
Unchanged chest radiograph with no radiographic evidence of pneumonia .