Review for 10.1186/s12876-021-01904-4 (2021)

Reviewer’s report
Title: 
A rare case of nivolumab-related myasthenia gravis and myocarditis in a
patient with metastatic gastric cancer
Version: 
0 
Date: 
17 May 2021
Reviewer's report:
In this case report Masaru Komatsu et al described the onset of concomitant
myasthenia gravis and myocarditis as irAEs from nivolumab in a GC patient.
Minor comments:
- In the introduction, actual indications of anti-PD-1 agents 
in gastric cancer
should be specified in more details by authors
- Please, briefly specify the treatments previously received by the patient 
- Please specify concomitant medications at the start of nivolumab.
- The paper should be carefully revised by a native English speaker.
- In "consent for publication" section, authors stated: Written consent to publish
this information was obtained from study participants. However, being 
a case
report, the patient should not be stated as "study partecipants".
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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
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Yes
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Yes
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from apparent manipulation?
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