Also known as: Adenocarcinoma of Esophagogastric Junction / Adenocarcinomas of the Esophagogastric Junction / Esophagogastric Junction Adenocarcinoma / Gastroesophageal Junction Adenocarcinoma / Gastro-esophageal Junction Adenocarcinoma / Adenocarcinoma of the Esophago-gastric Junction / Adenocarcinoma, Gastroesophageal Junction / Adenocarcinoma of the Gastroesophageal Junction / Adenocarcinoma of the Oesophago-gastric Junction / Gastroesophageal-junction Adenocarcinoma / Adenocarcinoma of the Esophagogastric Junction / Adenocarcinoma of Gastroesophageal Junction / Adenocarcinoma, Esophagogastric Junction / Gastroesophageal Junction (GEJ) Adenocarcinoma / Adenocarcinoma of the Gastro-oesophageal Junction / Adenocarcinoma - GEJ / GEJ Adenocarcinoma / Adenocarcinoma of the gastrooesophageal junction / Esophageal adenocarcinoma / Oesophageal adenocarcinoma NOS / Adenocarcinoma of esophagus / Adenocarcinoma of esophagus (disorder) / Adenocarcinoma of oesophagus / Oesophageal adenocarcinoma