Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Analysis is performed in direct comparison with the next preceding similar study of ___ . Heart size is borderline but has not increased in comparison with the previous study . No typical configurational abnormality is noted . The thoracic aorta is significantly widened and elongated , marked in the area of the arch . No new contour abnormalities have developed , and no walled calcifications are seen . The on previous examination identified rather extensive peritracheal and mediastinal sizable lymph node calcifications are again seen and appear completely unchanged . There is no evidence of new acute parenchymal infiltrates , and no evidence of new pleural effusions . Also , the frontal view does not indicate any pneumothorax .
    OUTPUT:
    
Stable chest findings in patient with history of sarcoidosis . Rather typical extensive prominent peritracheal and peribronchial calcifications are seen and are unchanged . No evidence of new acute pulmonary abnormalities .