30
Participants
Start Date
May 1, 2023
Primary Completion Date
May 1, 2024
Study Completion Date
May 1, 2026
PD-1
Participants will receive Tislelizumab, 200mg, intravenously over 30 - 60 minutes, day 1 of every 3 weeks
SCRT
Radiotherapy dose: 5×5 Gy
Bevacizumab
Participants will receive bevacizumab,5mg/kg,intravenously over 60 - 90 minutes, day 1 of every 2 weeks
Oxaliplatin
Participants will receive Oxaliplatin,85mg/m2,day1
Calcium folinate
Participants will receive calcium folinate ,400mg/m2,day1
5-fluorouracil
Participants will receive 5-fluorouracil ,400mg/m2,day1
Fujian Cancer Hospital
OTHER_GOV