Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Dextroscoliosis of the thoracic spine is unchanged . Mild left apical thickening and an area of sclerosis within left anterior third rib are unchanged from multiple prior studies . Homogeneously increased retrocardiac density likely corresponds to hiatal hernia based on chest CT from ___ . There is no focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . Mild cardiomegaly is unchanged .
    OUTPUT:
    
1 . No significant interval change . 2 . No acute cardiopulmonary process .