Fig. 2

Kaplan–Meier curve of progression-free survival and overall survival. a Progression-free survival. b Overall survival. XELIRI irinotecan and capecitabine combination, IRI irinotecan monotherapy, CI confidence interval
Kaplan–Meier curve of progression-free survival and overall survival. a Progression-free survival. b Overall survival. XELIRI irinotecan and capecitabine combination, IRI irinotecan monotherapy, CI confidence interval