Fig. 1: Study flowchart.

CT chemotherapy, CRT chemoradiotherapy, GEJ gastroesophageal junction, ICI immune checkpoint inhibitor, nCRT neoadjuvant chemoradiotherapy.

CT chemotherapy, CRT chemoradiotherapy, GEJ gastroesophageal junction, ICI immune checkpoint inhibitor, nCRT neoadjuvant chemoradiotherapy.