COMPASS SW Version 3.1, Catalog Number CS10-100, medical linear accelerator, radiological

Reason: Error in the software. During internal tests of the current development version of the Compass SW it was found that dose reconstruction for DMLC plans when the jaws move or mlc leaves reverse during beam on will not be scaled correctly for all control points.

Code information: Model : SW Version 3.1 Lot or Serial Number : n.a

Distribution pattern: Worldwide Distribution - US Distribution to the states of AZ and OK., and the countries of Germany, Austria, France, UK, Poland, Finland, The Netherlands, Spain, Turkey, Russia, and South Africa, Algeria, North and South America, Mexico, Brazil, Venezuela, Colombia, Panama, Asia, China, Japan, Philippines, Korea, India, Singapore, Thailand, Taiwan, Hong Kong, Malaysia and Guam.