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The criteria for LR-TR categories
| Response category | Criteria |
|---|---|
| LR-TR non-viable | No lesional enhancement or treatment-specific expected enhancement pattern |
| LR-TR equivocal | Atypical enhancement pattern, not meeting criteria for non-viable or viable category |
| LR-TR viable | Presence of any of the following: APHE or washout appearance or enhancement similar to pretreatment |
