syngo.CT VA20A, VA30A and VA40A in: syngo.via RT Image Suite / Sim&Go SOMATOM go.Now SOMATOM go.Up SOMATOM go.All SOMATOM go.Top SOMATOM go.Sim SOMATOM go.Open Pro and SOMATOM X.cite Material Numbers: 11061620 11061628 11061630 11061640 11061660 11061670

Potential for data loss when using the contouring or patient marking workflow when editing a structure set after saving and reopening a study, resulting in an incomplete structure set sent to the treatment planning system (TPS).

Siemens has initiated three (3) Customer Safety Advisory Notices (CSANs) to affected customers via SY052/21/S, CT042/21/S and MR019/21/S by email or hand delivery by the Siemens Customer Service Engineer on 8/16/21. Temporary workarounds are available for some of the software versions and are described in the CSANs. Additionally, a solution to eliminate the root cause of this problem is being distributed via SY051/21/S (for SY and CT) and MR021/21/S for MR to all affected customers free of charge. The service organization will contact you to arrange a date to perform this corrective action free of charge. Contact the service organization for an earlier appointment at 1-800-888-7436. ***UPDATE: 01/31/22 Additionally, a solution to eliminate the root cause of this problem is being distributed via CT049/21S, CT061/21/S, CT062/21/S, and CT088/21/S for CT. ***UPDATE: 03/12/22 Status Report Additional 13 S/N's added