Final answer:
The first national cancer registry program was established by SEER (Surveillance, Epidemiology, and End Results).
Step-by-step explanation:
The first national cancer registry program was established by **SEER** (Surveillance, Epidemiology, and End Results) [Source: U.S. National Cancer Institute]. SEER was launched in 1973 by the National Cancer Institute (NCI) to collect and analyze cancer data from multiple sources across the United States.