Lesion-level comparison of primary and secondary tumors after neoadjuvant immunochemotherapy in multifocal esophageal squamous cell carcinoma: a single-center retrospective study.

J Thorac Dis · 2026 · PMC13189996 · PMID 42182719

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did not reach statistical significanceno p-value reported

Our results demonstrated that although primary lesions demonstrated numerically greater tumor regression on imaging, the difference did not reach statistical significance.

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