Survival differences by ethnicity among patients diagnosed with bladder cancer
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(2020) 18:486 Guo and Liu J Transl Med https://doi.org/10.1186/s12967-020-02668-3
Open Access
LETTER TO THE EDITOR
Survival differences by ethnicity among patients diagnosed with bladder cancer Boda Guo1,2 and Ming Liu1,2*
Dear Editor,
Abbreviation BC: Bladder cancer.
We read the study by Fang et al. [1] with great interest and would like to congratulate the authors for their superb study. The authors compared the oncologic outcomes of bladder cancer (BC) of different ethnicities, which may aid in clinical decision-making. As such, there are a few points that we would like to bring up.
Acknowledgements None.
1. Their study included patients with primary BC but did not exclude multiple primary cancers. However, another SEER-based study showed BC patients were at a significantly higher risk of developing a second malignancy, which may affect patients’ survival [2]. 2. BC surgery in the SEER database includes transurethral resection of bladder, partial cystectomy and complete cystectomy, etc. It would be more meaningful to stratify patients according to the type of surgery that they received; in this way, readers can easily see which surgical treatment improves BC patient’s survival better. 3. Some of the patients included in the analysis received radiotherapy or chemotherapy. These two types of treatment should be taken into consideration since prior studies showed that both radiotherapy and chemotherapy hold great potential in the management of BC patients [3, 4].
Disclaimers The authors are accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. Authors’ contributions BG reviewed the relevant study and drafted this letter. ML revised this letter for critical content and scientific rigour. Both authors read and approved the final manuscript. Funding Not applicable. Availability of data and materials Not applicable. Ethics approval and consent to participate Not applicable. Consent for publication Not applicable. Competing interests Not applicable. Author details 1 Department of Urology, Beijing Hospital, National Center of Gerontology; Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing 100730, China. 2 Graduate School of Peking, Union Medical College, Beijing 100730, China. Received: 29 October 2020 Accepted: 4 December 2020
This comment refers to the article available at https://doi.org/10.1186/s1296 7-020-02308-w. *Correspondence: [email protected] 1 Department of Urology, Beijing Hospital, National Center of Gerontology; Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing 100730, China Full list of author information is available at the end of the article © The Author(s) 2020. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and t
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