RITA Medical Systems(Fremont, California), which focuses on medical oncology devices, said the company's headquarters were relocated to Fremont from its previous location in Mountain View, effective Monday. The company has leased the new 14,400-square-foot office for a term of five years.

RITA Medical Systems makes products for cancer treatment, including radio frequency ablation systems for treating cancerous tumors as well as percutaneous vascular and spinal access systems.