Stages of breast cancer: How they¡¯ve changed over time
In the past, only the size of a tumor and the status of nearby lymph nodes were used to determine the stage of someone¡¯s breast cancer. It was a fairly simple system based purely on anatomy, and was therefore easy for people to memorize.?
If a tumor was two centimeters wide or smaller, it was considered stage I.? If a tumor was larger than that or the cancer was detectable in nearby lymph nodes, it was considered stage...