Shcherbinin A. Privacy-Preserving Processing of User Messages for LLM Services: Anonymization Methods, PII Leakage Assessment, and the “Confidentiality–Answer Quality” Trade-off. tajiir [Internet]. 2026 Jun. 25 [cited 2026 Jun. 28];8(06):80-7. Available from: https://theamericanjournals.com/index.php/tajiir/article/view/8170