Review for 10.1186/s12876-020-01587-3 (2021)

Reviewer’s report
Title: 
Simultaneous brain and lung metastases of pancreatic ductal
adenocarcinoma after curative pancreatectomy: A case report and literature
review
Version: 
0 
Date: 
09 Nov 2020
Reviewer's report:
The paper is well written, clear and the review of the literature is appropriate.
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Is the study design appropriate to answer the research question (including the use
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