Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly is noted . A large paraesophageal hiatal hernia is present with mild adjacent bibasilar atelectasis , and better evaluated on the concomitant CT examination . The upper lung fields are clear .
    OUTPUT:
    
Large paraesophageal hiatal hernia with adjacent atelectasis . No acute cardiopulmonary process .