Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is mildly tortuous and calcified . A moderate sized hiatal hernia appears to be present . Pulmonary vascularity is normal , and the hilar contours are unremarkable . Minimal atelectasis in the left lung base is seen . There is no focal consolidation , pleural effusion or pneumothorax . No acute osseous abnormalities are detected . Mild degenerative changes of the thoracic spine with an S - shaped scoliosis is seen .
    OUTPUT:
    
Minimal left basilar atelectasis . Moderate sized hiatal hernia .