Review for 10.1186/s12876-016-0444-1 (2016)

Reviewer’s report 
Title:  Confinement to the intrapancreatic bile duct is in dependently associated with a better 
prognosis in extrahepatic cholangiocarcinoma 
 
Version:  0 Date:  05 Nov 2015 
 
Reviewer:  Gian Luca Baiocchi 
 
Reviewer's report: 
Many compliments to the Auhors for a very good job.  
 
Minor remarks: 
The title should be modified, because it is not cle ar that the reference is made for MID cancers; 
the abstract should be revised for english Language , and some words are lacking (i.i., "cancer" in 
the second line. Do You perform 4 CT scans in the f irst post-operative year? 
 
Are the methods appropriate and well described? 
If not, please specify what is required in your com ments to the authors. 
Yes 
Does the work include the necessary controls? 
If not, please specify which controls are required in your comments to the authors. 
Yes 
Are the conclusions drawn adequately supported by t he data shown? 
If not, please explain in your comments to the auth ors. 
Yes 
 
Are you able to assess any statistics in the manusc ript or would you recommend an 
additional statistical review? 
If an additional statistical review is recommended,  please specify what aspects require further 
assessment in your comments to the editors. 
I am able to assess the statistics 
Quality of written English 
Please indicate the quality of language in the manu script: 
Not suitable for publication unless extensively edi ted 
Declaration of competing interests 
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1. Have you in the past five years received reimbur sements, fees, funding, or salary from an 
organisation that may in any way gain or lose finan cially from the publication of this 
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financially from the publication of this manuscript , either now or in the future? 
3. Do you hold or are you currently applying for an y patents relating to the content of the 
manuscript? 
4. Have you received reimbursements, fees, funding,  or salary from an organization that holds 
or has applied for patents relating to the content of the manuscript? 
5. Do you have any other financial competing intere sts? 
6. Do you have any non-financial competing interest s in relation to this paper? 
If you can answer no to all of the above, write 'I declare that I have no competing interests' 
below. If your reply is yes to any, please give det ails below. 
'I declare that I have no competing interests 
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