The abstract is read at the publisher; the summary is JClub's.
An international multicenter analysis of 2,573 patients with medullary thyroid carcinoma refines AJCC TNM-8 staging, yielding a higher C-index of 0.892 vs 0.856.
- Why it matters: AJCC TNM-8 shows suboptimal prognostic discrimination in medullary thyroid carcinoma, motivating a more accurate staging schema for risk stratification.
- What they did: Retrospective data from 43 centers in 15 countries were pooled, and exhaustive enumeration of 116,284 admissible stage-grouping schemas was fit to multivariable Cox models using disease-specific survival.
- The result: The proposed stages I–IVB showed clearer monotonic increases in disease-specific death risk and improved discrimination versus AJCC TNM-8, including validation in SEER (N = 1,909).
The findingWhy it mattersWhat they didThe result
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