How The Ki 67 Test Is Used In Breast Cancer Treatment
Ki-67 is a protein found in the nucleus of cancer cells. The protein exists only in cells that are actively growing and dividing. However, the protein is not detectable when the cells are not growing but are in their resting phase. Because of the way cancer cells produce this protein, a higher level is an indicator that cancer cells are rapidly growing and dividing. Cancer cells are different from normal, healthy body cells....