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: 
09 Nov 2020
Reviewer's report:
I appreciate the opportunity to review this surgical technique report.
I feel that it is almost sufficiently advances the knowledge of this area to warrant
separate publication. 
The report is interesting and worthy of eventual publication.
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Declaration of competing interests
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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