Final answer:
Certified Tumor Registrars (CTRs) are individuals who are credentialed to perform the functions of cancer registry. They collect, analyze, and interpret data on cancer cases, ensuring the accuracy and integrity of the information.
Step-by-step explanation:
In the field of cancer registry, individuals who are credentialed as Certified Tumor Registrars (CTRs) perform the functions of cancer registry.
CTRs are professionals who collect, analyze, and interpret data on cancer cases. They ensure the accuracy and integrity of cancer data, which is used for research, treatment planning, and public health initiatives.