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. 2023 Jun 27;15(6):1056–1067. doi: 10.4240/wjgs.v15.i6.1056

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©The Author(s) 2023. Published by Baishideng Publishing Group Inc. All rights reserved.

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/

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Bowel perforation in a 73-year-old male lung cancer patient undergoing immunotherapy with atezolizumab. The red arrow indicates subdiaphragmatic free air (personal observation).