Case Report
Copyright ©The Author(s) 2023. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Clin Cases. Sep 6, 2023; 11(25): 5919-5925
Published online Sep 6, 2023. doi: 10.12998/wjcc.v11.i25.5919
Synchronous multiple lung cancers with hilar lymph node metastasis of small cell carcinoma: A case report
Ryusei Yoshino, Nana Yoshida, Shunsuke Yasuda, Akane Ito, Masaki Nakatsubo, Sayaka Yuzawa, Masahiro Kitada
Ryusei Yoshino, Nana Yoshida, Shunsuke Yasuda, Akane Ito, Masaki Nakatsubo, Masahiro Kitada, Thoracic Surgery and Breast Surgery, Asahikawa Medical University, Asahikawa 078-8510, Japan
Sayaka Yuzawa, Diagnostic Pathology, Asahikawa Medical University Hospital, Hokkaido 078-8510, Japan
Author contributions: Yoshino R contributed to the study conceptualization and original draft preparation; Yasuda S, Yoshida N, Yuzawa S, Ito A, and Nakatsubo M contributed to the review and editing of the manuscript; Kitada M validated and visualized the study; and Kitada M supervised the study; all the authors have read and approved the final version of the manuscript.
Informed consent statement: Written informed consent was obtained from the patient.
Conflict-of-interest statement: The authors declare no conflicts of interest.
CARE Checklist (2016) statement: The authors have read the CARE Checklist (2016), and the manuscript was prepared and revised according to the CARE Checklist (2016).
Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: https://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Ryusei Yoshino, MD, Doctor, Thoracic Surgery and Breast Surgery, Asahikawa Medical University, 2-1-1-1 Midorigaoka Higashi, Asahikawa-shi, Hokkaido, Asahikawa 078-8510, Japan. ryusei.0628.ppp@gmail.com
Received: March 25, 2023
Peer-review started: March 25, 2023
First decision: June 21, 2023
Revised: July 5, 2023
Accepted: August 7, 2023
Article in press: August 7, 2023
Published online: September 6, 2023
Processing time: 160 Days and 0.1 Hours
Core Tip

Core Tip: Synchronous multiple lung cancer is relatively rare. We report a case of synchronous multiple lung cancers with lymph node metastasis in the hilar region of a small cell carcinoma of unknown origin. Immunohistochemistry was helpful in aiding the diagnosis. As such cases have a poor prognosis, an accurate diagnosis is necessary to determine treatment options.