Review for 10.1186/s12876-021-01683-y (2021)

Reviewer’s report
Title: 
Collision of Epstein-Barr virus-positive and -negative gastric cancer, diagnosed by molecular
analysis: A case report
Version: 
0 
Date: 
16 Nov 2020
Reviewer's report:
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EBV related GC is one of isuues to be discussed in this area. Authors presented a case with collision of
EBV positive/negative gastric cancer. There are few study that includes molecular analysis, so this case
report has a value of publication.
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Is the study design appropriate to answer the research question (including the use of appropriate controls),
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