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Tamaki Kobayashi, Takuma Nakatsuka, Masaya Sato, and Ryosuke Tateishi have received speaker honoraria from Canon Medical Systems Corporation. Ryosuke Tateishi has also received a speaker honorarium from FUJIFILM Corporation, and serves on the governing boards of the Japan Academy for Tumor Ablation and the Japan Liver Cancer Association with no payment. Megumi Hirokawa, Junichi Ishida, Masao Daimon, Makoto Kurano, and Mitsuhiro Fujishiro declare that they have no conflicts of interest.","order":1,"name":"Ethics","label":"Conflict of interest","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions. Informed consent was obtained from all patients for being included in the study.","order":2,"name":"Ethics","label":"Ethical statements","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"During the preparation of this work, the authors used \u201cClaude Opus 4.8 and Gemini 3.1 Pro\u201d to edit language and improve readability. After using this tool\/service, the authors reviewed and edited the content as needed and take full responsibility for the content of the publication.","order":3,"name":"Ethics","label":"Declaration of generative AI and AI-assisted technologies in the writing process","group":{"name":"EthicsHeading","label":"Declarations"}}]}}