Neoadjuvant Treatment of Fruquintinib Combined With Concurrent Chemoradiotherapy for LARC

"mFOLFOX6: The mFOLFOX6 regimen will be administered on Day 1 of each treatment cycle. This regimen consists of oxaliplatin 85 mg/m2 IV given over 2 hours, leucovorin 400 mg/m2 IV given over 2 hours, and fluorouracil 400 mg/m2 IV bolus, followed by fluorouracil 1200 mg/m2 per day for 2 days, continuous infusion.~fruquintinib: 3mg/d, qd po, for 7 weeks continuously.~Radiation Therapy: radiation 45.0\~50.0 Gy (1.8-2.0 Gy/day or 25 fractions weeks 3-7)"