The company will install Proteus One at Proton International Arkansas, which is a collaboration between Proton International, the University of Arkansas for Medical Sciences (also in Little Rock), Baptist Health, and Arkansas Children's -- all located in Little Rock.

The system will be located in the university's radiation oncology center, which is under construction, IBA said. The deal includes a 10-year operation and maintenance agreement, according to the firm. Proton International expects to begin treating patients in 2023.