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Efficacy and safety of photodynamic therapy using an ultra-thin endoscope for local failure with esophageal stenosis after chemoradiotherapy for esophageal cancer

Crossref DOI link: https://doi.org/10.1007/s10388-026-01218-y

Published Online: 2026-06-02

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Hattori, Aiji

Kadota, Tomohiro https://orcid.org/0000-0002-0408-3494
Yamashita, Hiroki

Minakata, Nobuhisa

Watanabe, Takashi

Inaba, Atsushi

Sunakawa, Hironori

Nakajo, Keiichiro

Shinmura, Kensuke

Yano, Tomonori
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Article History

Received: 2 March 2026

Accepted: 10 May 2026

First Online: 2 June 2026

Declarations

:

: Approval of the research protocol by an Institutional Reviewer Board: This study was approved by the Institutional Review Board of National Cancer Center Hospital East (Approval number. 2017 − 434).

: T Kadota reports receiving honoraria and personal advisory fees from Olympus outside this study. T Yano reports receiving research grants from Olympus, Fujifilm, HOYA, SHIMADZU, GURDANT HEALTH AMEA Inc., Craif, Astellas, Rakuten Medical, Daiichi Sankyo, Astellas Pharm Global Development, Surg storage outside this work; along with receiving honoraria from Olympus, Fujifilm, and MeijiSeika Pharma; and personal advisory fees from Olympus, HOYA, and PIOLAX Medical Devices outside this study. A Hattori, H Yamashita, N Minakata, T Watanabe, A Inaba, H Sunakawa, K Nakajo and K Shinmura declare that they have no conflict of interest.

: Written informed consent was waived, and an opt-out approach was used.

: Not applicable.

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