However, in our study, traditional risk factors like age, primary tumor size, and cell differentiation failed to show prognostic value, while nodal stage revealed only borderline significance.
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Prognostic value of lymph node to primary tumor standardized uptake value ratio in unresectable esophageal cancer.
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The sentences
The usage of cisplatin + 5-FU regimen (HR 1.85, P = 0.052) conferred marginal significance, though.