Hereditary Colorectal Cancer Syndromes: American Society of Clinical Oncology Clinical Practice Guideline Endorsement of the Familial Risk–Colorectal Cancer: European Society for Medical Oncology Clinical Practice Guidelines

This is a clinical practice guideline endorsement for people at risk for hereditary colorectal cancer (CRC) syndromes. The guideline provides recommendations on prevention, screening, genetics, treatment, and management. Topics of interest addressed in the guideline include: tumour testing for DNA mismatch repair (MMR) deficiency, genetic testing for Lynch syndrome, as well as follow-up recommendations in mutation carriers.