University College London Apr 20 2026 Patients with a specific type of bowel cancer who were treated with a short course of immunotherapy before surgery instead of post-op chemotherapy have remained cancer-free after almost three years of follow-up, according to new results from the NEOPRISM-CRC clinical trial led by a team from UCL and UCLH. The latest findings, to be presented at the American Association for Cancer Research (AACR) Annual Meeting 2026 in April, build on earlier results showing