食管癌是一种常见的肿瘤,具有癌灶多点起源,淋巴结转移呈区域性、双向性、连续性、跳跃性的特点。诸多因素影响淋巴结清扫的范围和数量,继而影响后续治疗和预后。术前了解肿瘤的浸润深度和分化程度,较准确的临床分期和个体化的手术方式对淋巴结清扫至关重要。 Esophageal cancer is a common tumor, with multiple origin of cancer, lymph node metastasis was regional, two-way, continuity, jumping characteristics. Many factors affect the extent and number of lymph node dissections, which in turn affect subsequent treatment and prognosis. Preoperative understanding of the depth of invasion of the tumor and the degree of differentiation, more accurate clinical staging and individualized surgical approach is essential for lymph node dissection.