Zheng RP, Ma DK, Li Z, Zhang HF. Cancer Manag Res. 2020;12:6165–6175.
The Editor and Publisher of Cancer Management and Research wish to issue an Expression of Concern for the published article. Following publication, concerns were raised about the scientific integrity of the articles content. We reached out to the authors requesting they supply information that would confirm the integrity of the data. However, the authors did not provide the requested files and could not satisfy our requirements to confirm the authenticity of some types of data.
Therefore, as we continue to work through the issues raised, we advise readers to interpret the information presented in the article with due caution.
The authors have been notified about this Expression of Concern.