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Kawada et al. Mini-invasive Surg 2020;4:7 I http://dx.doi.org/10.20517/2574-1225.2019.44 Page 5 of 6

CONCLUSION
A lighted urethral stent is useful to visualize the urethra during taTME surgery in clinical practice. The
assistance of fluorescent information helped in reducing the risk of urethral injury on the anterior side.

DECLARATIONS
Authors’ contributions
Conception and study design: Kawada K, Sakai Y
Data acquisition and interpretation: Kawada K, Okada T
Drafting of manuscript: Kawada K
Critical revision for intellectual content: Okada T, Sakai Y

Availability of data and materials
Not applicable.

Financial support and sponsorship
This study was supported by the Japan Society of Laparoscopic Colorectal Surgery.

Conflicts of interest
All authors declared that there are no conflicts of interest.

Ethical approval and consent to participate
A cadaveric study was conducted following the Act on Body Donation for Medical & Dental Education law
of Japan. In a clinical study, informed consent was preoperatively obtained from all patients. This study
was conducted in accordance with the ethical principal that have their origins in the Declaration Helsinki,
and the protocols were approved by the Institutional Review Board of Kyoto University.

Consent for publication
Not applicable.

Copyright
© The Author(s) 2020.

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