Table 3.
Subsequent restaging PET/MRI disease assessments for TNT subjects on nonoperative management (n = 2).
| Subject # | 1 | 6 |
|---|---|---|
| Initial Stage | cT3b cN1b |
cT2 cN0 |
| mrTRG—F/U #2 | ||
| Reader 1 | 2 | 2 |
| Reader 2 | 2 | 1 |
| Consensus | 2 | 1 |
| pmrTRG—F/U #2 | ||
| Reader 1 | 1 | 1 |
| Reader 2 | 1 | 1 |
| Consensus | 1 | 1 |
| Added value of PET—F/U #2 | ||
| Reader 1 | Y | Y |
| Reader 2 | Y | Y |
| Consensus | Y | Y |
| Endoscopy +/− biopsy—F/U #2 | − | − |
| mrTRG—F/U #3 | ||
| Reader 1 | 2 | 2 |
| Reader 2 | 2 | 1 |
| Consensus | 2 | 1 |
| pmrTRG—F/U #3 | ||
| Reader 1 | 1 | 1 |
| Reader 2 | 1 | 1 |
| Consensus | 1 | 1 |
| Added value of PET—F/U #3 | ||
| Reader 1 | Y | Y |
| Reader 2 | Y | Y |
| Consensus | Y | Y |
| Endoscopy +/− biopsy—F/U #3 | − | − |
Abbreviations: +/− = positive/negative, F/U = follow-up, mrTRG = MRI tumor regression grade, Y/N = yes/no, pmrTRG = PET/MRI tumor regression grade.