Is Phase Cumulative Plan Question

**Semantic type:** Intellectual Product

**Definition:** A question about whether the plan or plan sum represents all plans treated in a single phase. All plans in a phase treated the same targets to the same dose per fraction, using the same modality and technique. Multiple plans for a single phase occur with plan revisions (e.g. re-drawing target volumes ) or with the use of technologies enabling per session adaptation. If more than one plan is used in the phase, then this would correspond to a plan sum.

**Synonyms:** - Is Phase Cumulative Plan - Is Phase Cumulative Plan