RayStation Radiation Therapy Treatment Planning System, models 2.5, 3.0, 3.5 and 4.0; a software system designed for treatment planning and analysis of radiation therapy.

Reason: Potential for dose errors due to software program errors.

Code information: MODEL #(s): 2.5, 3.0, 3.5 and 4.0; VERSIONS: 2.5.1.89, 3.0.0.251, 3.5.0.16, 3.5.1.6, 4.0.0.14, 4.0.1.4, 4.0.2.9

Distribution pattern: Worldwide Distribution - US including the states of NY, OH, MD, CT, CO, TN, IL, AZ, MS, NJ, PA, DE, FL, CA and WA., and the countries of New Zealand, Australia, Republic of Korea, China, Italy, Germany, Norway, Belgium, Switzerland, United Kingdom and Spain.