Table 1 Specific SBRT practice recommendations for on-board imaging, based on the responses from the countries surveyed that addressed this question

USA

For each fraction:

    RO ensures patient positioning and field placement

Canada

Minimum = attend the patient's initial SBRT session:

    To verify proper patient positioning

    To confirm that image registration is accurate

Denmark

No specific recommendation for SRT:

    After approving the treatment plan, RO are not involved in the treatment process unless an issue arises

Switzerland

No specific recommendation for SRT:

    Same

Belgium

No specific recommendation for SRT:

    Same

France

For each fraction > 8 Gy:

    RO ensures patient positioning and field placement

Luxembourg

Based on French recommendations

Monaco

Based on French recommendations