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 study ___ . Heart size is still mildly enlarged but less so than on the previous examination . No typical configurational abnormality is seen , nor are there any intracardiac calcifications identified . The thoracic aorta is unremarkable in size and no local contour abnormalities are present . The pulmonary vasculature is not congested . No signs of acute or chronic parenchymal infiltrates are present and the lateral and posterior pleural sinuses are free from any fluid accumulation . No pneumothorax in the apical area on the frontal view . Skeletal structures of the thorax remain unchanged and are grossly unremarkable . As before , evidence of surgical clips in right upper abdomen consistent with previous cholecystectomy . Lateral ornamental metallic artifacts in both breast areas , unchanged .
    OUTPUT:
    
Mild regression of previously existing cardiomegaly in patient with history of sickle cell anemia . No new pulmonary vascular or parenchymal abnormalities , pleural spaces remain free and no evidence of pneumothorax .