Retrospective Cohort Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Apr 28, 2015; 21(16): 4911-4918
Published online Apr 28, 2015. doi: 10.3748/wjg.v21.i16.4911
Figure 1
Figure 1 Progression-free survival (A), overall survival (B) by Eastern Cooperative Oncology Group performance status.