Intercept Cancer: Cancer Pre-Screening with Large Scale Healthcare Foundation Models

• URL: http://arxiv.org/abs/2506.00209v1
• Date: Fri, 30 May 2025 20:31:09 GMT
• Title: Intercept Cancer: Cancer Pre-Screening with Large Scale Healthcare Foundation Models
• Authors: Liwen Sun, Hao-Ren Yao, Gary Gao, Ophir Frieder, Chenyan Xiong,
• Abstract summary: We present CATCH-FM, CATch Cancer early with Healthcare Foundation Models.<n>Caught-FM identifies high-risk patients for further screening based on historical medical records.<n>Our analysis demonstrates the robustness of CATCH-FM in various patient distributions.
• Score: 17.739985240125733
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Cancer screening, leading to early detection, saves lives. Unfortunately, existing screening techniques require expensive and intrusive medical procedures, not globally available, resulting in too many lost would-be-saved lives. We present CATCH-FM, CATch Cancer early with Healthcare Foundation Models, a cancer pre-screening methodology that identifies high-risk patients for further screening solely based on their historical medical records. With millions of electronic healthcare records (EHR), we establish the scaling law of EHR foundation models pretrained on medical code sequences, pretrain compute-optimal foundation models of up to 2.4 billion parameters, and finetune them on clinician-curated cancer risk prediction cohorts. In our retrospective evaluation comprising of thirty thousand patients, CATCH-FM achieved strong efficacy (60% sensitivity) with low risk (99% specificity and Negative Predictive Value), outperforming feature-based tree models as well as general and medical large language models by large margins. Despite significant demographic, healthcare system, and EHR coding differences, CATCH-FM achieves state-of-the-art pancreatic cancer risk prediction on the EHRSHOT few-shot leaderboard, outperforming EHR foundation models pretrained using on-site patient data. Our analysis demonstrates the robustness of CATCH-FM in various patient distributions, the benefits of operating in the ICD code space, and its ability to capture non-trivial cancer risk factors. Our code will be open-sourced.

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