{"version":"1.0","type":"link","title":"Siewert classification - Newikis","description":"The Siewert-Stein classification (often called the Siewert classification in less precise shorthand reference) is a system of anatomical classification used for adenocarcinomas of the esophagogastric junction.","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}