Immune checkpoint inhibitors (ICPIs) enhance treatment response while minimizing toxicities for patients with cancer. However, education is key to managing the therapies’ unique adverse events (AEs). During a session for the ONS 46th Annual Congress™, Marianne Davies, DNP, ACNP, FAAN, of the Yale Comprehensive Cancer Center, Smilow Cancer Hospital at Yale New Haven Hospital, and the Yale University School of Nursing, and Laura S. Wood, RN, MSN, OCN®, of Cleveland Clinic Cancer Center, provided oncology nurses with a foundation for evaluating and grading AEs in immuno-oncology.