Review for 10.1186/s12876-021-01840-3 (2021)

Reviewer’s report
Title: 
Targeted imaging of esophageal adenocarcinoma with a near-infrared
fluorescent peptide
Version: 
1 
Date: 
18 Mar 2021
Reviewer's report:
1. 
In esophageal cancer, there are several tumor-targeted NIRF dyes in the
human body such as KSP-QRH-E3-IRDye800; LUM-015. Authors might
consider compare these dyes characters in discussion section.
2. In Ethics approval and consent to participate section, authors need include 
the
committee's reference number according journal request.
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Is the study design appropriate to answer the research question (including the use
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