The news that you or a loved one has breast cancer, changes your life forever. After you receive the appropriate medical treatment (usually surgery), the next step is to explore what are the available breast cancer treatment options following surgery. The post-surgery treatments relate to the type and stage of breast cancer, as well as the type of surgery you received. Discuss your options with your doctor, so you can make an informed decision.
Discuss Breast Cancer Treatment Options with Your Doctor.
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Post-Surgery Breast Cancer Treatment Options
Doctors recommend three main forms of post-surgery treatments for breast cancer. These include chemotherapy, radiation therapy, and hormonal therapy. Two other less common breast cancer treatments following surgery (and therefore not included in this article) are targeted therapies, and complementary and holistic medicine; these typically supplement or complement one of the main treatments. 
Chemotherapy, often referred to as simply “chemo,” is a treatment that uses a variety of medicines to destroy any residual cancer cells at the surgery site, and/or to weaken and destroy cancer cells that have spread to other parts of the body. The chemo infusion is usually accomplished via intravenous (IV) drip tubes, although other methods include injections, through a port or catheter, or orally in pill or capsule form. Chemo is a “systemic” treatment, since it works through a person’s bloodstream, which in turn affects the entire bodily system.
The most likely candidates for chemo include those breast cancer patients who meet these guidelines:
- Individuals with cancer cells that have spread to lymph nodes.
- Premenopausal women with invasive breast cancer.
- Women with aggressive early stage breast cancer.
Chemo often includes a combination of medicines, known as a chemotherapy regimen. The regimen therapy includes types of medicine, dosage, and duration of treatment. Your doctor bases his or her decision for your regimen based on the specific details of your cancer, your menopausal status, and your general health. Overall, your doctor weighs the benefits with the potential side effects to determine the best regimen for you.
Radiation therapy, also known as radiotherapy, has proven to be both “highly targeted” and “highly effective” in its ability to destroy post-surgery residual cancer cells, reducing the recurrence of breast cancer by as much as 70 percent. An oncologist (i.e., a radiation therapy specialist) administers radiation therapy through one of two methods:
- Linear accelerator machine: delivers radiation from outside the body through highly focused, strategically controlled conditions.
- Radioactive pellets or seeds: give off radiation beams from inside the body.
Doctors recommend radiation therapy for breast cancer patients who meet the following guidelines:
- Lumpectomy patient whose cancer was: early stage; smaller in size (4 centimeters or less); situated in one location; and successful lump removal with clear margins.
- Mastectomy patient whose cancer was: larger in size (5 centimeters or more); invasive toward lymph nodes, breast blood vessels or skin; spread into lymph nodes (one for premenopausal women, four or more for other women); and “positive margin of resection” obvious in removed breast tissue.
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Post-Surgery Breast Cancer Treatment Options (continued)
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Radiation Therapy Machine.
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BreastCancer.org offers these ten key points about radiation therapy:
- localized and targeted to origin point of cancer or other area where cancer spread;
- delivery of therapy is painless, but may cause discomfort over a period of time;
- does not cause the individual to become radioactive;
- requires time commitment of sessions for five days a week for up to seven weeks, or twice a day for one week;
- daily appointments typically require 30 minutes, allowing individual to maintain most of her normal routine;
- does not cause hair loss;
- radiation site may discolor, or become sensitive or irritated, requiring creams or ointments for relief;
- fatigue is common during course of treatment, as well as up to a few months following the end of treatment;
- side effects are usually temporary;
- yields significant decrease in risk of recurrence.
BreastCancer.org emphasized that post-surgery hormonal therapy is NOT the same as hormone replacement therapy (HRT). Hormonal therapy lowers the amount of estrogen produced in a woman’s body and disrupts any activity of estrogen on breast cancer cells. Hormonal therapy is a systemic treatment that targets the “hormone-receptor-positive breast cancers” that account for about 80 percent of breast cancers; it is NOT designed for “hormone-receptor-negative breast cancers.” The main function of hormonal therapy as a post-surgery treatment is to reduce the risk of recurrent breast cancer.
Hormonal therapy medicines include these three main types, according to Breast Cancer.org:
- aromatase inhibitors;
- SERMs (Selective Estrogen Receptor Modulators);
- ERDs (Estrogen Receptor Downregulators).
Your doctor determines the best hormonal therapy medicine for you based on several factors, including your menopausal status, any history of blood clots or arthritis, your bone density, your personal risk of uterine or ovarian cancer, and your current stage of breast cancer.
Conclusion and Citations
A breast cancer diagnosis is both frightening and life changing. Your doctor can discuss with you what are the treatments for breast cancer and help you choose the best treatment options following surgery, based on your needs and overall health. Choices may include chemotherapy, radiation therapy, hormonal therapy, targeted therapies, complementary or holistic medicine, or some combination of therapies. Your doctor will base his or her decision for your therapy regimen after weighing the benefits vs. the side effects, to arrive at the best post-surgery treatments for you.
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BreastCancer.org. Who Gets Chemotherapy? Retrieved from https://www.breastcancer.org/treatment/chemotherapy/
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BreastCancer.org. When is Radiation Appropriate? Retrieved from https://www.breastcancer.org/treatment/radiation/when_appropriate.jsp
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BreastCancer.org. Hormonal Therapy. Retrieved from https://www.breastcancer.org/treatment/hormonal/
 BreastCancer.org. What Is Hormonal Therapy? Retrieved from https://www.breastcancer.org/treatment/hormonal/what_is.jsp
BreastCancer.org. Is Hormonal Therapy Right for You? Retrieved from https://www.breastcancer.org/treatment/hormonal/for_you.jsp