Mammogram patient guide

Overview

A mammogram is a special X-ray of the breast. It is used to find breast cancer early, often before you feel a lump. The test is quick and can save lives by catching cancer when it is small and easier to treat.

Yes, mammograms are very common. Millions of women have them every year as part of routine breast screening. They are a standard test recommended by health authorities around the world.

Mammograms are for anyone with breast tissue, including women, transgender men who have not had chest surgery, and some people at higher risk. Your doctor will advise you when to start based on your age and personal risk.

Symptoms

Common symptoms

• A new lump in your breast or armpit
• Thickening or swelling of part of your breast
• Dimpling or puckering of the breast skin
• A change in the size or shape of your breast
• Nipple discharge other than breast milk (especially if it's bloody)
• Pain in one area of your breast that does not go away

Symptoms in children

• Breast changes in children are very rare. Any lump or unusual change should be checked by a doctor, but mammograms are not usually used for children.

Symptoms in older adults

• The same symptoms apply to older adults. Regular mammograms are still important up to age 74 (NHS) or as recommended by your doctor.

Causes

Main causes

• Screening — to find breast cancer early in people without any symptoms.
• Diagnostic — to check a breast symptom like a lump, pain, or discharge.
• Follow-up — to keep an eye on a previous finding or after treatment for breast cancer.

Risk factors

• Being over age 50
• Having a mother, sister, or daughter with breast cancer
• Having dense breast tissue (visible on mammogram)
• Drinking alcohol regularly
• Being overweight after menopause
• Not enough physical activity

When to see a doctor

See a doctor urgently if:

• If you notice a new lump in your breast or armpit
• If you have unexplained breast pain that doesn't go away
• If you see changes in the skin of your breast (like dimpling or redness)
• If you have nipple discharge that is bloody or happens on its own

Book a routine appointment if:

• As part of regular breast screening — usually every 2-3 years from age 50 (NHS). Some guidelines suggest starting at age 40. Check with your doctor.
• If you have a strong family history of breast cancer, you may be offered screening earlier or more often.

Diagnosis

A mammogram is done by a specially trained healthcare professional called a radiographer. You will undress from the waist up and stand in front of an X-ray machine. The radiographer will position your breast on a flat surface and lower a clear plastic paddle to compress it. This takes only a few seconds. The images are sent to a radiologist (a doctor who reads scans) who will look for any signs of cancer.

Tests that may be done

• Screening mammogram — done when you have no symptoms.
• Diagnostic mammogram — done when you have a symptom or because of a previous abnormal result. It may involve more pictures.
• Additional imaging like ultrasound or MRI if the mammogram shows something unclear.

What to expect at your appointment

You will feel some pressure on your breast during compression, but it lasts only a few seconds. The whole appointment takes about 20-30 minutes. You can go back to your day right after. Results usually come within 2-4 weeks. If something needs more checking, you will be called back for extra tests — do not worry, most callbacks turn out to be benign (not cancer).

Treatment

If your mammogram shows an abnormality, you will need further tests. If breast cancer is found, your healthcare team will create a plan that is right for you. Treatment may involve a combination of surgery, radiation, hormone therapy, and chemotherapy. Your doctor will explain your options and what to expect.

Self-care at home

• Keep up with recommended screening appointments.
• Know how your breasts normally look and feel so you can notice changes.
• Maintain a healthy weight through diet and exercise.
• Limit alcohol to no more than one drink per day.
• Don't smoke — and if you do, try to quit.

Medical treatments

If breast cancer is diagnosed, treatment depends on its type, size, and whether it has spread. Common treatments include surgery (removing the tumour or the whole breast), radiation therapy (high-energy rays to kill cancer cells), hormone therapy (if the cancer is hormone-sensitive), and chemotherapy (drugs to destroy cancer cells). Your doctor will discuss the best approach for your situation. No specific drug names or doses are mentioned here.

When is surgery considered?

Surgery is often the first treatment for breast cancer when it has not spread. It may be a lumpectomy (removing only the tumour and a small margin of healthy tissue) or a mastectomy (removing the whole breast). The choice depends on the cancer stage, size, and your preferences. You can discuss reconstruction options with your surgeon.

Living with this condition

After a mammogram, you can go back to normal activities immediately. If you had a biopsy, you might have a little bruising or soreness — that usually goes away in a few days. Follow any aftercare instructions you receive.

Lifestyle tips

• Stay physically active — aim for 30 minutes of moderate exercise most days.
• Eat a balanced diet with plenty of fruits, vegetables, whole grains, and lean protein.
• If you are overweight, losing even a small amount of weight can help lower your risk.
• Consider joining a breast cancer support group or an online community for connection and advice.

Diet and exercise

A healthy diet and regular exercise can help you maintain a healthy weight, which is linked to a lower risk of breast cancer. There is no special 'breast cancer diet', but eating well supports your overall health. Avoid crash diets and focus on long-term healthy habits.

Mental health and emotional wellbeing

Waiting for mammogram results can be stressful. It's normal to feel anxious or worried. Talk to your healthcare provider about your feelings — they can offer support or refer you to a counsellor if needed. Remember, most mammogram findings are not cancer.

Prevention

There is no guaranteed way to prevent breast cancer, but regular mammograms can detect it early when it is most treatable. A healthy lifestyle — including a balanced diet, physical activity, limited alcohol, and not smoking — may lower your risk.

Screening programmes

Regular mammograms are the best way to screen for breast cancer. Talk to your doctor about when to start screening and how often based on your age and risk factors.

Complications

If left untreated

• If breast cancer is not detected and treated, it can grow and spread to other parts of the body (metastasis), making it much harder to treat.
• Late-stage breast cancer can cause serious health problems and reduce the chance of survival.

Long-term outlook

The outlook for breast cancer is very good when it is found early. Many people live long, full lives after treatment. Advances in medicine mean that treatments are better than ever, with fewer side effects and higher survival rates. Staying on top of screening and following your doctor's advice gives you the best chance of a positive outcome.

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