Analysis of the safety and efficacy of PD-1/PD-L1 inhibitors combined with chemotherapy in the treatment of locally advanced resectable esophageal squamous cell carcinoma: a systematic review and meta-analysis based on four randomized controlled trials
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Background: Esophageal cancer is a leading type of cancer globally. Most patients diagnosed with esophageal cancer present at a locally advanced stage, for which the standard treatment paradigm involves a multimodal approach comb... ...