Rule-Based Algorithm to Identify Recurrent Non-Hodgkin Lymphoma in Electronic Health Data. - Epstein, Mara M.; Susick, Laura; Liu, Feifan; Zhou, Yanhua; Goldthwait, Lydia; Bole, Shane; Haykus, Wendy; Divine, George; Ramanathan, Muthalagu; Johnson, Christine C. (JCO Clinical Cancer Informatics, 2026)