The specification says treatment-emergent adverse events are events that start on or after first dose and up to 30 days after last dose. The program uses only `AESTDT >= TRTSDT` and does not check the upper window.
| AE Start | First Dose | Last Dose | Program TEAEFL |
|---|---|---|---|
| 2026-04-20 | 2026-01-05 | 2026-03-01 | Y |
What is the key review finding?