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 two previous chest examinations dated ___ and ___ . The heart size remains within normal limits . No typical configurational abnormality is identified . Mild degree of general widening of the thoracic aorta is again noted as well as mild elongation of the descending aorta following the left - sided convex scoliotic curvature of the thoracic spine . The pulmonary vasculature is not congested . No evidence of new acute parenchymal infiltrates are present . As before , the generally , irregular pulmonary vascular peripheral distribution in this elderly woman appears to represent some form of emphysema / COPD , but no new acute parenchymal infiltrates can be identified . No pleural effusions are seen . As before , diffuse demineralization of the vertebral bodies of the thoracic spine is noted with some mild compression deformities in the mid and lower portion , but no significant interval changes since the previous studies can be identified .
    OUTPUT:
    
Stable chest findings , no evidence of cardiac enlargement , CHF or acute infiltrates in this elderly female patient .