Review for 10.1186/s12876-023-02687-6 (2023)

Reviewer’s report
Title: 
Systematic review of cholangiocarcinoma in Africa: epidemiology,
management, and clinical outcomes
Version: 
1 
Date: 
09 Dec 2022
Reviewer's report:
In a preoperative setting, PTC appears to have some advantages: low risk of
postprocedural complications (namely cholangitis, pancreatitis) and better
priming for surgery. 
For palliative purposes, the ERCP/PTC depending on the experience of the
operators, but also on other factors: the level of bilirubin (if very high, rather
PTC), length of the stenosis, the presence of cholangitis (PTC), altered biliary
anatomy and individual cardiopulmonary status. (could add to background field)
World J Gastrointest Oncol. 2021 Dec 15;13(12):2050-2063
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