Review for 10.1186/s12876-021-01884-5 (2021)

Reviewer’s report
Title: 
Increasing incidence of non-HBV- and non-HCV-related hepatocellular
carcinoma: single-institution 20-year study
Version: 
0 
Date: 
28 Aug 2020
Reviewer's report:
-Add the unique of this study compared to other studies discuss the same issue.
-Add more on the basic of this disease in the introduction
-Discus role of imaging in diagnosis of HCC using these ref
-Abdel Razek AAK, El-Serougy LG, Saleh GA, Shabana W, Abd El-Wahab R.
Liver Imaging Reporting and Data System Version 2018: What Radiologists
Need to Know. J Comput Assist Tomogr 2020;44: 168-177.
-Abdel Razek AAK, 
El-Serougy LG, Saleh GA, Abd el-wahab R, Shabana W.
Interobserver Agreement of Magnetic Resonance Imaging of Liver Imaging
Reporting and Data System Version 2018. J Comput Assist Tomogr
2020;44:118-123. 
-English language correction through the manuscript
-Discus role of imaging in diagnosis of Hepatitisusing these ref
-Besheer T, Arafa M, El-Maksoud MA, et al, Razek AA, El-Bendary M.
Diagnosis of cirrhosis in patients with chronic hepatitis C genotype 4: Role of
ABCB11 genotype polymorphism and plasma bile acid levels. Turk J
Gastroenterol 2018;29:299-307.
-Besheer T, Elbendary M, Elalfy H, et al. Prediction of Fibrosis Progression Rate
in Patients with Chronic Hepatitis C Genotype 4: Role of Cirrhosis Risk Score
and Host Factors. J Interferon Cytokine Research 2017;37:97-102.
-Update of references as most of references are old
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