Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Comparison is made with the next preceding similar chest examination of ___ . The heart size is unchanged at the upper limit of normal variation . No typical configurational abnormality is present . Unchanged appearance of the normal appearance of the thoracic aorta . The pulmonary vasculature is not congested . No signs of acute parenchymal infiltrates are seen and the lateral and posterior pleural sinuses are free . No pneumothorax in the apical area . Skeletal structures again demonstrate a previously demonstrated diffuse demineralization of the vertebral bodies in the thoracic spine with a mild degree of compression fracture at the level T12 and L2 . These changes appear unaltered when comparison is made on the lateral views .
    OUTPUT:
    
Stable chest findings , no evidence of new acute infiltrates .