Stage 4 of breast cancer is called advanced or metastatic. At this step, the tumor spreads beyond the breast to other organs. The American Cancer Society estimates that there will be 316,950 new cases of invasive breast cancer in women in the US in 2025. In the UK, there could be around 69,900 new cases every year by 2038-2040.

Prostate cancer is the most common type of cancer in men and one of the main causes of death in developed countries of Europe and North America. The incidence of it has risen annually by 3% since 2014. Prostate cancer is the second-leading cause of death among males in the US. According to the American Cancer Society, about 1 in 44 men will die...