elizm @elizm
It was used by my oncologist. I also input the information from my pathology report as I wanted to verify the information. Because I have both infiltrating ductal carcinoma and neuroendocrine carcinoma, I opted to go ahead with the aromatase inhibitor. This calculator is used for ER/PR positive tumors. Here is an article that may explain further: https://www.breastcancer.org/research-news/online-tool-predicts-hr-pos-recurrence-risk