Prognostic FactorsFact Sheet
Tumor grade is a way of classifying tumors based on certain features of their cells. The grade of a tumor is directly linked to prognosis.
Using a microscope, a pathologist studies the tumor tissue removed during a biopsy to check:
Together, these two factors determine the tumor grade. These grades are usually classified as:
For any given tumor size and breast cancer stage, prognosis is poorer with a higher tumor grade. Many other factors also impact survival and for any given tumor grade, survival varies greatly depending on these factors.
Learn more about other factors that affect prognosis.
Facts for Life: What is Breast Cancer
Breast Cancer 101
1-877 GO KOMEN(1-877-465-6636)
"I'll do whatever it takes to keep fighting." - Kathleen