Part 2⃣Studies of HRT in breast cancer coming in 🔥🔥🔥@ASCO #ASCO25!!
Addition of progesterone to letrozole x 2 weeks pre-op in HR+ breast cancer has similar ⬇️Ki67 (marker of proliferation) to letrozole alone.
Fewer hot flashes 🥵, more dizziness 😵💫