Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest . Compared to the prior radiograph , there is no significant change . The heart , hilar and mediastinal contours are unchanged . There is prominence of the superior right mediastinum , which is likely due to tortuosity of the brachiocephalic vessels . The lungs are clear . No pleural abnormality is detected . Degenerative changes of the thoracic spine are again noted . Calcific densities in the area of the glenoid are also again seen , likely representing loose bodies . Again noted is the rightward displacement of the lower cervical trachea , consistent with a left sided thyroid mass . This is unchanged compared to the prior radiograph .
    OUTPUT:
    
No acute cardiopulmonary process . No relevant change since the prior radiograph .