RecruitingPhase 2Drug trialA Phase 2 Trial of Fruquintinib and Tislelizumab in ctDNA-defined Minimal Residual Disease in Colorectal Cancer After Completion of Adjuvant ChemotherapyTo find out if a combination of fruquintinib and tislelizumab can control CRC in patients who have received treatment for the disease but still have "positive" ctDNA tests for MRD (meaning there is evidence of MRD based on this test).