407P Improving readability while preserving content fidelity of oral cancer patient information: A UK-based study using AI-chatbots

405P # of variables Variables inputted C-index a IBS b 2 Tumor (T) and Nodal (N) status 0.812 0.044 5 Prior 2 + T grade, duration diagnosis to first surgery, % cells ER+ 0.849 0.046 10 Prior 5 + % cells PR+, age at diagnosis, Oncotype score, Ki67, post-menopausal 0.857 0.046 15 Prior 10 + ECOG score, invasive ductal/ lobular carcinoma, other histology, laterality bilateral 0.858 0.046 20 Prior 15 + laterality left/right, premenopausal, comorbidity index, primary surgery margin 0.851 0.047 a Concordance Index; Scores span from 0.5 to 1; 1=perfect.b Integrated Brier score; Scores span from 0 to 0.25; 0=perfect.