RecruitingRadiation therapyPreoperative Chemoradiotherapy Combined With Consolidation or Induction NALIRIFOX in Rectal Cancer.The Efficacy and Safety of Long-Course Preoperative Chemoradiotherapy Combined with Consolidation or Induction NALIRIFOX Chemotherapy in the Treatment of Locally Advanced Rectal Cancer: A Prospective, Multicenter, Phase II Study.