Fig. 4From: Analysis of radiotherapy impact on survival in resected stage I/II pancreatic cancer patients: a population-based studyCompetitive risk analysis for cancer-related death of patients stratified by RT. a Cancer-related death of stage I patients caused by RT use or not. (P < 0.0001). b Cancer-related death of patients stage II patients caused by RT. (P < 0.0001)Back to article page