Fig. 2From: A multicenter phase III study comparing Simultaneous Integrated Boost (SIB) radiotherapy concurrent and consolidated with S-1 versus SIB alone in elderly patients with esophageal and esophagogastric cancer – the 3JECROG P-01 study protocolTargets contouring of (a) upper thoracic esophagus (Ut); (b) middle thoracic esophagus (Mt); (c) lower thoracic esophagus (Lt). Red area indicates GTV-T, grey area includes GTV-N, blue area outlines PGTV and green area outlines PTVBack to article page