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How do you define involved field radiotherapy for lung cancer?
Does IFRT include only the involved lymph nodes + margin or the entire involved lymph node station as specified by the Michigan Atlas?
Answer from: Radiation Oncologist at Academic Institution
Although, there is no consensus definition for “involved field” for the mediastinal nodes, my practice is to target mediastinal lymph nodes with involved field radiotherapy using the following algorithm: We start by contouring the lymph node GTV using a PET/CT with IV contrast. All FDG-...
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Answer from: Radiation Oncologist at Community Practice
At the dawn of CT based treatment planning, we analyzed retrospectively "field size" at the University of Michigan, and found that as we attempted to "dose escalate" with aid of these then new tools, it was impractical to include "traditional" nodal targets, mostly supraclavicular nodes and contrala...