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With great interest, I read the report1 by Turkington et al and applaud their proposed DNA damage immune response (DDIR) assay, which could predict survival benefit from DNA-damaging neoadjuvant chemotherapy following surgical resection in oesophageal adenocarcinoma (OAC). However, the definition of relapse-free survival (RFS) in their study was not widely accepted, leading to poor comparability among studies.
In the present study, RFS was defined as …
Contributors The manuscript was written by WL.
Funding The work is supported by High-level Hospital Construction Research Project of Maoming People’s Hospital.
Competing interests None declared.
Patient and public involvement Patients and/or the public were not involved in the design, or conduct, or reporting, or dissemination plans of this research.
Patient consent for publication Not required.
Provenance and peer review Not commissioned; internally peer reviewed.
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