Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral images of the chest . The lungs are moderately well - expanded . There is a large hiatal hernia with adjacent atelectasis , unchanged from prior exam . The lungs otherwise clear . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is unchanged from prior exam .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Large hiatal hernia , unchanged from prior exam .