Review for 10.1186/s12876-021-01608-9 (2021)

Reviewer’s report
Title: 
Characteristics of hepatic solitary necrotic nodules on contrast-enhanced
ultrasonography
Version: 
2 
Date: 
11 Nov 2020
Reviewer's report:
The authors have done a good job in revising the manuscript, which now is much
clearer and exhaustive, and in answering all the questions raised.
As a minot comment I would to point out that there are still some English
grammar errors along the manuscript. Please consider to revise again your
papere using a native language.
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Is the study design appropriate to answer the research question (including the use
of appropriate controls), and are the conclusions supported by the evidence
presented?
Yes
Are the methods sufficiently described to allow the study to be repeated?
Yes
Is the use of statistics and treatment of uncertainties appropriate?
Yes
Is the presentation of the work clear?
Yes
Are the images in this manuscript (including electrophoretic gels and blots) free
from apparent manipulation?
Yes