Survival outcomes and prognostic factors of breast cancer spinal metastases: a retrospective study.

Discov Oncol · 2025 · PMC12092879 · PMID 40392351

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did not reach statistical significanceno p-value reported

Notably, the correlation between survival and different expression levels of Ki-67 did not reach statistical significance, possibly attributed to the small sample size and ongoing controversies regarding the prognostic utility of Ki-67 grading [ 26 – 28 ].

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