The stage of a breast cancer tells you how big it is and whether it has spread. The type tells which type of cell the cancer started from and the grade means how abnormal the cells look under the microscope.
The stage tells you how big your cancer is and whether it has spread. The grade means how abnormal the cells look under the microscope.
The TNM system is a way of staging breast cancer. TNM stands for Tumour, Node, Metastasis.
The number system for breast cancer staging divides cancers into 4 groups, from 1 to 4.
Read about the different types of breast cancer, including breast cancer in men, and conditions related to breast cancer.