Tumor of larynx; Laryngectomy; Frozen section; Incised margin.
喉肿瘤；喉切除术；冷冻切片；切缘。
The surgical margin is free of tumor involvement.
该手术切缘是免费的肿瘤的参与。
The multivariate analysis indicated that blood vessel invasion, preoperative AST ascending, liver capsule invasion, resection margin and tumor size were the major risk factors affecting the prognosis.
多因素分析显示脉管瘤栓、术前ast升高、肿瘤切缘、肝被膜受侵及肿瘤最大直径依次为影响预后的主要因素。
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