👉 Luminal is a medical term used to describe a type of cancer that spreads through the blood stream. It refers to a tumor that has spread from its original site and continues to grow in the bloodstream, rather than being contained within the body's tissues or organs. In other words, a luminal cancer is one that has not been completely removed or eradicated from the body by surgery, radiation therapy, chemotherapy, or immunotherapy. This means that there are still some cells left in the blood
