Definitive Chemoradiation for Gastroesophageal Junction (GEJ) Adenocarcinomas: A Single-Institution Experience

Article Type:
Research/Original Article (دارای رتبه معتبر)
Background and Objectives

The non-surgical treatment outcome of gastroesophageal junction (GEJ) adenocarcinoma remains to be defined. We aimed to assess the outcomes of definitive chemoradiation (CRT) of GEJ tumors.


This retrospective cohort study was entirely carried out in the radiation oncology ward of Cancer Institute of Iran. We included patients with adenocarcinoma histology whose tumors had involved the gastro-esophageal junction and underwent chemoradiotherapy without surgery. In the final analysis, we evaluated 50 patients with non-metastatic adenocarcinoma of GEJ (Siewert’s type I and II) from 2008 to 2017. The primary outcome was overall survival; secondary outcomes were progression-free survival and local and distal metastasis.


The reasons for not undergoing surgery in order of frequency from highest to lowest were patient refusal or medical unfitness for surgery, tumor unresectability or progress at the time of operation and incident metastasis in pre-op restaging, and. The 1-year, 2-year, and 3-year overall survival rates were 53%, 26%, and 12%, respectively. The 1-year, 2-year, and 3-year progression-free survival rates were 44%, 18%, and 10%, respectively. In the multivariate analysis, the only independent predictor of survival was a distant failure (P=0.031).


Although the outcomes of non-surgical treatments are disappointing in GEJ adenocarcinomas, a few patients may experience long-term survival using definitive CRT. This option should be discussed with all patients who are not candidates for surgery.

Basic and Clinical Cancer Research, Volume:15 Issue: 2, Spring 2023
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