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Multicohort Evaluation of Acquisition Confounding in Single-Site Lung-CT Malignancy Classification with Frozen Foundation-Model Features.

Sep 2026 · Journal of imaging informatics in medicine · 0 citations · 35 references
Medicine

TL;DR

The near-perfect in-site AUC is therefore most plausibly explained by acquisition-related confounding, which extends beyond reconstruction protocol to scanner model and age, and is not evidence of malignancy discrimination.

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