Review for 10.1186/s12876-020-01439-0 (2020)

Reviewer’ s report
Title: An assessment of chromosomal alterations detected by fluorescence in situ hybridisation in
pancreatobiliary tract malignancy
Version: 4Date: 17 Jul 2020
Reviewer's report:
An overall well-written manuscript but investigating a topic already evaluated in the past years.
Major limitation are the small number of patients and the retrospective design of the study.However, methods and statistical analysis are suitable, and the study is scientifically valid
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Are the methods appropriate and well described?
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YesDoes the work include the necessary controls?
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YesAre the conclusions drawn adequately supported by the data shown?
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YesAre you able to assess any statistics in the manuscript or would you recommend an
additional statistical review?
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assessment in your comments to the editors.
I am able to assess the statisticsQuality of written English
Please indicate the quality of language in the manuscript:
Needs some language corrections before being published
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