HER2-positive breast cancer: What is it? - Mayo Clinic HER2-positive breast cancer is a breast cancer that tests positive for a protein called human epidermal growth factor receptor 2 (HER2) This protein promotes the growth of cancer cells In about 1 of every 5 breast cancers, the cancer cells have extra copies of the gene that makes the HER2 protein
Breast cancer types: What your type means - Mayo Clinic HER2 negative If the breast cancer cells don't make extra HER2, then the cancer is HER2 negative Targeted therapy against the HER2 protein won't work for these breast cancers About half of breast cancers are believed to be HER2 low Treatment for HER2-low breast cancer is an active area of cancer research
Cáncer de mama positivo para HER2: ¿qué es? - Mayo Clinic El cáncer de mama HER2-positivo es un tipo de cáncer que da un resultado positivo para una proteína llamada receptor 2 del factor de crecimiento epidérmico humano (HER2) Esta proteína fomenta el crecimiento de las células cancerosas En aproximadamente 1 de cada 5 cánceres de mama, las
Trastuzumab (Herceptin) | Cancer information - Cancer Research UK Treatment of small (T1mic, T1a, and T1b) node-negative HER2+ breast cancer: a review of current evidence for and against the use of anti-HER2 treatment regimens K C C Johnson and others Expert Review of Anticancer Therapy, 2022 Volume 22, Issue 5, Pages 505–522 Trastuzumab for the treatment of HER2-positive metastatic gastric cancer
Targeted and immunotherapy drugs for breast cancer It is a treatment for HER2 positive early stage breast cancer after surgery It is only for people who had drug treatment before surgery It is only for people who had drug treatment before surgery And when they had the operation the surgeon found cancer cells nearby either in the breast or lymph nodes
Tests on your breast cancer cells - Cancer Research UK Breast cancers that have large amounts of HER2 are called HER2 positive breast cancers About 15 out of every 100 breast cancers (about 15%) are HER2 positive Testing breast cancer cells for the HER2 protein can help to show whether targeted drugs might work
Triple negative breast cancer - Cancer Research UK Characteristics of male triple negative breast cancer: a population-based study S Ghani and others The Breast Journal, 2020 Vol 26, issue 9 Pages 1748-1755 ER PR negative, HER2 negative (Triple negative) breast cancer UpToDate, Last updated 2023 Incidence and outcome of BRCA mutations in unselected patients with triple receptor-negative
Stage 3 breast cancer - Cancer Research UK Staging for breast cancer is very complex Many different factors are considered before doctors can confirm your final stage Speak to your doctor or breast cancer nurse specialist if you have any questions about your staging Stage 3 can be divided into 3A, 3B and 3C Below is a simplified description of stage 3A, 3B and 3C breast cancer
A study looking at personalised treatment for early HER2 positive . . . One of the targeted drugs you might have if you have HER2 positive breast cancer is trastuzumab This is a monoclonal antibody It works by attaching to the HER2 receptor on the surface of the cancer cell This stops the cancer from growing
Breast cancer staging - Mayo Clinic Stage 3 breast cancer A stage 3 breast cancer is often more difficult to treat than a stage 1 or stage 2 breast cancer Stage 3 breast cancers have either grown quite large or spread to many lymph nodes Or both may be true There is a higher risk that a stage 3 cancer will come back after treatment Stage 4 breast cancer