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Event-free and overall survivals of 59 patients aged ≥70 years according to the treatment group. Event-free survival (a) and overall survival (b) in the 59 patients older than 70 years. 2-year EFS are 50% (UNI) and 0% (PHY), and 2-year OS are 72% (UNI) and 62% (PHY). PHY: physicians’ decision group, UNI: unified dose-attenuation group
