Zhang, Hongdian Metastatic lymph node ratio demonstrates better prognostic stratification than pN staging in patients with esophageal squamous cell carcinoma after esophagectomy. [electronic resource] - Scientific reports 12 2016 - 38804 p. digital Publication Type: Comparative Study; Evaluation Study; Journal Article; Research Support, Non-U.S. Gov't ISSN: 2045-2322 Standard No.: 10.1038/srep38804 doi Subjects--Topical Terms: AdultAgedAged, 80 and overArea Under CurveCarcinoma, Squamous Cell--mortalityCell DifferentiationEsophageal Neoplasms--mortalityEsophagectomyFemaleHumansKaplan-Meier EstimateLymph Node ExcisionLymph Nodes--pathologyLymphatic MetastasisMaleMiddle AgedNeoplasm StagingPrognosisProportional Hazards ModelsROC CurveRetrospective StudiesSmoking--epidemiologyTumor Burden