Review for 10.1186/s12876-021-01950-y (2021)

Reviewer’s report
Title: 
Long term survival of a patient with microsatellite stable refractory
colorectal cancer with regorafenib and PD-1 inhibitor sintilimab – A Case
Report and Review of Literature
Version: 
1 
Date: 
12 Sep 2021
Reviewer's report:
This version of the manuscript has been improved. The reference list needs to be
further improved and updated. I would suggest to add:
1. Mast Cells, microRNAs and Others: The Role of Translational Research on
Colorectal Cancer in the Forthcoming Era of Precision Medicine. J Clin Med
. 2020 Sep 3;9(9):2852. doi: 10.3390/jcm9092852
2. MicroRNA expression profiles associated with prognosis and therapeutic
outcome in colon adenocarcinoma. JAMA
. 2008 Jan 30;299(4):425-36. doi: 10.1001/jama.299.4.425
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