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 chest examination dated ___ . The heart size is within normal limits . No configurational abnormality is identified . Thoracic aorta mildly widened and elongated with some wall calcifications at the level of the arch but no evidence of any local contour abnormalities . The pulmonary vasculature is not congested . No evidence of acute or chronic pulmonary parenchymal infiltrates is present , and the lateral and posterior pleural sinuses are free from any fluid accumulation . No pneumothorax identified in the apical area . Although skeletal structures are generally well preserved in this elderly woman , there are some degenerative changes along the thoracic spine in the form of bridging osteophytic reactions , mostly along the anterior and right lateral contours of the vertebral bodies , but there is no evidence of any vertebral body compression fracture . Remarkably , these changes existed already on the chest examination ___ years ago .
    OUTPUT:
    
Stable chest findings . No significant cardiac enlargement , pulmonary congestion or acute infiltrates . Similar as suggested on the previous examination , the relatively low positioned and somewhat flattened diaphragms are suggestive of some degree of emphysema ; however , there is no evidence of any marked progression with stable appearance of chest findings after ___ years examination interval .