MammaPrint® - Who Should Use MammaPrint?
MammaPrint® should be used in all breast cancer cases which fall into the following categories:
- Node negative
- Stage I or II
- ER+ or ER-
- Tumours < 5cm

Tumors in stage 3 (larger than 5 cm in greatest dimension) or stage 4 (growing into the chest wall or skin) are outside the scope of MammaPrint®.