Observational Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Oct 21, 2017; 23(39): 7160-7167
Published online Oct 21, 2017. doi: 10.3748/wjg.v23.i39.7160
Figure 1
Figure 1 Northeast region had the greatest number of cholangiocarcinoma cases, followed by the North and Central regions.