Wu, Sheng-Xi Effect of consolidation chemotherapy following definitive chemoradiotherapy in patients with esophageal squamous cell cancer. [electronic resource] - Scientific reports 12 2017 - 16870 p. digital Publication Type: Journal Article ISSN: 2045-2322 Standard No.: 10.1038/s41598-017-17254-9 doi Subjects--Topical Terms: AdultAgedAged, 80 and overChemoradiotherapyConsolidation ChemotherapyEsophageal Neoplasms--mortalityEsophageal Squamous Cell Carcinoma--mortalityFemaleHumansKaplan-Meier EstimateMaleMiddle AgedNeoplasm MetastasisPrognosisProgression-Free SurvivalPropensity ScoreProportional Hazards ModelsRetrospective Studies