In stage 3A HER2-positive breast cancer, the "A" refers to a substage of stage 3 breast cancer. Stage 3A is determined based on the size of the tumor and the extent of cancer spread to nearby lymph nodes. It typically involves larger tumors or significant lymph node involvement but no spread to distant organs. HER2-positive Show Full Answer
In stage 3A HER2-positive breast cancer, the "A" refers to a substage of stage 3 breast cancer. Stage 3A is determined based on the size of the tumor and the extent of cancer spread to nearby lymph nodes. It typically involves larger tumors or significant lymph node involvement but no spread to distant organs. HER2-positive indicates the cancer has high levels of the HER2 protein, which affects treatment options.
December 5, 2024