Breast swelling (gynaecomastia)
Some hormone therapies for prostate cancer can cause swelling and tenderness in the breasts. This is gynaecomastia (pronounced guy-nee-co-mass-tee-ah). What is gynaecomastia? Gynaecomastia is swelling or enlargement of the breast in men. What causes breast swelling in men with prostate cancer? Hormone therapy is a common treatment for prostate cancer. This can change the balance of hormones in your body and cause breast tissue to grow. What is the treatment for gynaecomastia? You might have radiotherapy, a drug called tamoxifen or surgery to remove the breast tissue. Talk to your doctor about what is best for you. Why does hormone