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CTV DELINEATION: Postoperative Setting
2. Gastric Bed/Remnant
• GEJ and proximal tumors at least 2/3-3/4 of the left medial
hemidiaphragm
• T1-2 tumors: tumor bed not necessarily
• Hepatogastric ligament (i.e. part of lesser omentum between liver and
lesser curvature, which contains peri-gastric nodes)
• Anterior abdominal wall: only in T3-4 tumors with invasion or a close
relationship with the anterior abdominal wall on pre-operative imaging or
when described by the surgeon during surgery