Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild enlargement of cardiac silhouette is unchanged . The aorta remains tortuous . Pulmonary vascularity is not engorged , and the hilar contours are within normal limits . Subsegmental atelectasis is noted within the left lung base . No focal consolidation , pleural effusion or pneumothorax is seen . Dextroscoliosis of the thoracic spine is re - demonstrated , with diffuse demineralization of the osseous structures again noted .
    OUTPUT:
    
No acute cardiopulmonary abnormality .