Patients with KMT2C/D LOF benefited from ICIs in colorectal cancer in the MSKCC cohort….Overall, seven patients achieved partial response (PR), 14 patients achieved stable disease (SD), and seven patients achieved progressive disease (PD), resulting in an ORR rate of 25% (7/28). Among the 28 patients, 4 patients had KMT2C/D LOF mutations.