From: 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 protocol
Body surface area (m2)
Initial dose
<1.25
40 mg, bid
≥1.25~<1.50
50 mg, bid
≥1.5
60 mg, bid