Do most people with cancer have more than one treatment?

Yes. Most people with cancer have a combination of treatments rather than a single one.

There are many types of cancer treatment. Some people have only one treatment, but most have a combination, such as surgery with chemotherapy and radiation therapy. The types of treatment you receive depend on the type of cancer you have and how advanced it is.

There is a reason combinations are the rule and not the exception. Cancer usually presents two problems at once. There is the mass you can point to on a scan, and there is the possibility of cells that have already traveled beyond it. Different treatments solve different halves of that.

Surgery and radiation therapy act on one place. A surgeon removes cancer from a specific site. Radiation aims high doses at a defined target to kill cancer cells and shrink tumors. Neither reaches a cell that has drifted somewhere else.

The other treatments travel. Chemotherapy kills or stops the growth of cancer and other fast-growing cells wherever it finds them. Hormone therapy slows or stops the growth of breast and prostate cancers that use hormones to grow. Targeted therapy goes after the specific changes in cancer cells that help them grow, divide, and spread. Immunotherapy helps your own immune system fight the cancer. Because these move through the bloodstream, they can reach cells no scalpel or beam could find.

Put those two groups together and you get the standard shape of a cancer plan: something to handle the tumor you can see, and something to handle what you cannot.

Treatments are often combined so they can work together. For example, chemotherapy can make a tumor smaller before surgery or radiation, destroy cancer cells that may remain afterward, help other treatments work better, or kill cancer cells that have returned or spread.

The list of options is longer than most people expect. Alongside surgery, radiation, chemotherapy, hormone therapy, targeted therapy, and immunotherapy, NCI also lists hyperthermia, which heats body tissue to damage and kill cancer cells; photodynamic therapy, which uses a drug activated by light; and blood stem cell transplant, which restores blood-forming stem cells after high doses of chemotherapy or radiation.

One more piece often comes before all of it. Biomarker testing looks for genes, proteins, and other substances in the cancer, and the results can decide whether a targeted therapy or an immunotherapy belongs in your plan at all.

Because every situation is different, your own plan may include one treatment or several. Your care team can explain which treatments they recommend for you and why.

When they do, ask about the sequence, not just the list. What comes first, and why that order? What is each piece meant to accomplish? How long is the whole plan expected to take? And what happens if one part has to be delayed or dropped, for instance because of low blood counts or a slow recovery from surgery? Knowing the shape of the plan makes the individual appointments far less disorienting.