Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post left upper lobectomy with unchanged volume loss and scarring . Localize linear scarring at the right lung base is also similar to the prior study . There is no focal consolidation , pulmonary edema , pleural effusion or pneumothorax . The cardiac and mediastinal contours are stable .
    OUTPUT:
    
No new opacity concerning for pneumonia .