Abstract

The 27th annual Western Canadian Gastrointestinal Cancer Consensus Conference (WCGCCC) was held in Calgary, Alberta, on 26–27 September 2025. The WCGCCC is an interactive multidisciplinary conference that was attended by healthcare professionals from across Western Canada (British Columbia, Alberta, Saskatchewan, and Manitoba) who are involved in the care of patients with colorectal cancer. Specialists from the fields of medical and radiation oncology, pathology, surgery, and a family physician in oncology participated in presentations and discussions for the purpose of developing the recommendations presented here. This consensus statement addresses recent advances in the management of colorectal cancer in a Western Canadian context, with respect to adjuvant exercise, as per the CHALLENGE trial, adjuvant Aspirin and PI3K testing, as per the ALASCCA trial, adjuvant immunotherapy, as per the ATOMIC trial, the use of encorafenib and an EGFR inhibitor with chemotherapy, as per the BREAKWATER trial, the use of combination immunotherapy as per the CHECKMATE 8HW trial and optimal strategies for omitting radiation and non-operative management of non-metastatic rectal cancer.

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