Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A hiatal hernia is again present . The heart is mildly enlarged . The mediastinal and hilar contours are unchanged . There is similar unfolding and calcification along the aorta . Basilar opacities in the medial left lung base are probably associated with a hiatal hernia , not significantly changed unchanged . There is no pleural effusion or pneumothorax . The bones appear demineralized . Moderate degenerative changes are similar along the mid lumbar spine .
    OUTPUT:
    
No evidence of acute disease . Moderate hiatal hernia .