A Study of Apatinib Plus Radiotherapy and S-1 for Treatment of Refractory or Metastatic Esophageal Squamous Cell Carcinoma

Condition:   Refractory or Metastatic Esophageal Squamous Cell Carcinoma
Interventions:   Combination Product: apatinib S-1 radiotherapy;   Combination Product: S-1 radiotherapy
Sponsor:   Hebei Medical University Fourth Hospital
Not yet recruiting

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