Abstract
Early-stage (T1) esophagogastric junction cancer continues to represent 2-3% of all cases. Adenocarcinoma is the most frequent and important type, the main risk factors for which are gastroesophageal reflux and Barrett's esophagus with dysplasia.Patients with mucosal (T1a) or submucosal (T1b) involvement initially require a thorough digestive endoscopy, and narrow-band imaging can improve visualization. Endoscopic treatment of these lesions includes endoscopic mucosal resection, radiofrequency ablation and endoscopic submucosal dissection.Accurate staging is necessary in order to provide optimal treatment. The most precise staging technique in these cases is endoscopic ultrasound.The suspicion of deep invasion of the submucosa, presence of unfavorable anatomopathological characteristics or impossibility to perform endoscopic resection make it necessary to consider surgical resection.
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