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ESMO 2026 | PD-L1 and TILs predict recurrence in pMMR colon cancer

Giovanni Randon, MD, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy, presents findings from a cohort of patients with colon cancer who underwent surgery and adjuvant chemotherapy, evaluating immune biomarkers including tumor infiltrating lymphocytes (TILs), Immunoscore, and PD-L1 combined positive score (CPS). High TIL status and PD-L1 CPS positivity (≥10) are significantly associated with improved time to recurrence, while PD-L1 CPS negativity correlates with worse outcomes. In a multivariable analysis, age, stage, TILs, and PD-L1 CPS emerge as independent predictors of time to recurrence in this patient population. This interview took place at the European Society for Medical Oncology (ESMO) 2026 Congress in Madrid, Spain.

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