Tislelizumab Combined with Chemotherapy and All Trans Retinoic Acid for Locally Advanced or Metastatic Esophageal Squamous Cell Carcinoma
Conditions
- Esophageal Squamous Cell Carcinoma
Interventions
- DRUG: ATRA+pd-1+chemo
- DRUG: placebo+PD-1+chemo
Sponsor
Fudan University