From McKeown to Ivor Lewis, the learning curve for thoracic lymphadenectomy over the first 100 robotic esophagectomy cases: a retrospective study.

J Thorac Dis · 2021 · PMC8024862 · PMID 33841946

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an increasing trendno p-value reported

After the 23 rd case, the CUSUM plot had an increasing trend that peaked by the 45 th case.

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