A Cancer Registrar plays a critical role in healthcare by accurately collecting and maintaining cancer-related data, ensuring compliance with regulatory standards. Key responsibilities include data abstraction, analysis, and reporting. Required skills involve attention to detail, analytical abilities, and proficiency in coding systems. This role typically exists in hospitals or cancer registries, collaborating with medical staff and researchers. Career progression may lead to positions like lead registrar or program manager, enhancing professional growth opportunities within oncology data management.