Highlights ■ The 52 Oncology Nurse Navigator Core Competencies, across five categories, were cross-culturally adapted. ■ The competencies outline oncology nurse navigator’s role in Brazil. Objective: This study aimed to translate and cross-culturally adapt the Oncology Nurse Navigator Core Competencies 2017 instrument into Brazilian Portuguese. Methods: This study used a methodological cross-cultural adaptation approach. After authorization from the authors of the original version of the Oncology Nurse Navigator Core Competencies 2017 comprising 52 competencies, the instrument was translated following the […]