Breast cancer has become a global problem. In recent years, it’s become the most common cancer among women worldwide. As you’ll see below, judging by the numbers, breast cancer is a dangerous threat we can’t ignore any more. Hundreds of thousands of women are affected every year. Breast cancer is usually noticeable by a lump in the breasts. At that point, you can be sure that something bad is happening there. But if you notice the early symptoms, you have a much better chance of stopping the cancer.