Original Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Oct 21, 2013; 19(39): 6568-6578
Published online Oct 21, 2013. doi: 10.3748/wjg.v19.i39.6568
Figure 4
Figure 4 Overall survival curves for patients grouped by chemotherapy. In the age-stratified analysis, chemotherapy was a prognostic factor for the younger and middle-aged patients, but not for the elderly patients. A: All patients; B: Younger group; C: Middle-aged group; D: Elderly group.