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 dated ___ . The overall heart size is within normal limits . No configurational abnormality is present . The thoracic aorta is generally moderately widened and elongated , but there are no local contour abnormalities and the findings are stable in comparison with the previous examination of ___ . 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 is seen in the apical area on the frontal view . In comparison with the previous study , no evidence of new pulmonary abnormalities and specifically no suspicious lesions for pulmonary metastases . The on previous examination identified small bilateral pleural effusions blunting the lateral and posterior pleural sinuses have normalized .
    OUTPUT:
    
Moderate aortic dilatation , but no suspicious aneurysm , no CHF . No suspicious pulmonary metastases in this patient with history of prostate carcinoma .