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CTV DELINEATION: Preoperative Setting
UP ⅓ = Stomach wo Pylorus + Antrum
(CTV= GTV + 5 cm minimum)
MID ⅓ = Whole Stomach
Matzinger
et al.; Radiother Oncol -
2009
LOW ⅓ = Stomach wo Cardias + Fundus
(CTV= GTV + 5 cm minimum)
(If Pylorus or Duodenum “
+
”: Include 3 cm Duodenum)