RecruitingEarly Phase 1Radiation therapyBotensilimab, Balstilimab, and SBRT in Colorectal CancerThis is a single-arm pilot feasibility study evaluating the combination of Botensilimab and Balstilimab with Radiation Therapy (RT) in Non-Microsatellite Instability High (MSI-H) or Proficient Mismatch Repair (pMMR) chemorefractory colorectal cancer (CRC) with liver metastasis.