How are axillary nodes categorized? How do ER, PR and HER2 affect staging? How does lobular breast cancer differ in where it metastasizes? How is tumor size for staging determined? What are the hormone receptors and oncogene for breast cancer? What is the definition of Stage 0 breast cancer? What is the definition of Stage IV breast cancer? What system is used for breast cancer staging? Where does breast cancer (ductal type) typically metastasize? Book traversal links for Staging and Prognosis ‹ List four malignant causes of skin thickening. Up How are axillary nodes categorized? ›