S-1, Cisplatin, and Radiation Therapy in Treating Patients With Stage IIA, Stage III, or Stage IVA Esophageal Cancer That Can Be Removed by Surgery
Conditions
Interventions
- DRUG: cisplatin
- DRUG: tegafur-gimeracil-oteracil potassium
- OTHER: cytology specimen collection procedure
- PROCEDURE: endoscopic biopsy
Sponsor
Yonsei University