Figure 7. Siewert classification of gastro-oesophageal cancers.
Siewert 1, cancer of the distal oesophagus; Siewert 2, gastric cardia cancer; Siewert 3, subcardial gastric cancer.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.