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 ___ ___ . The heart size has mildly increased in comparison with the previous examination . Again no typical configurational abnormality can be identified . The aorta is mildly widened and elongated but does not demonstrate any local contour abnormalities . The pulmonary vasculature has developed an upper zone redistribution pattern , but there is no evidence of interstitial or alveolar edema nor are there any pleural effusions in the pleural sinuses . No evidence of acute pulmonary parenchymal infiltrates seen . No pneumothorax can be identified in the apical area . Skeletal structures of the thorax are unchanged and show normal appearance with the exception of mild degenerative changes in the mid portion of the thoracic spine , but no evidence of vertebral body compression fracture .
    OUTPUT:
    
Mild increase of heart size , coinciding with development of upper zone redistribution pattern in the pulmonary circulation . No evidence of any new acute pulmonary infiltrates or pleural effusion . Radiographic findings suggest that the patient 's shortness of breath and is probably related to mild degree of heart failure . There is no evidence of any new acute pulmonary pneumonic infiltrate .