breast risks and benefits for patients

Overview

Breast health includes being aware of how your breasts normally look and feel, understanding your personal risk factors for breast cancer, and knowing the benefits and limitations of screening. A healthy approach helps you notice changes early and make informed decisions with your healthcare provider.

Yes. Breast cancer is very common. In the UK, about 1 in 7 women will develop breast cancer in their lifetime. But thanks to better screening and treatments, more people are surviving breast cancer than ever before.

It primarily affects women, but men can also develop breast cancer, although it’s much rarer. The risk increases with age. Most breast cancers are diagnosed in women over 50, but younger women can get it too.

Symptoms

Common symptoms

• A new lump or thickening in the breast or armpit
• A change in breast size or shape
• Dimpling or puckering of the skin (like an orange peel)
• Nipple changes, such as turning inward or discharge
• Skin changes on the breast, such as redness, scaling, or pain
• Persistent pain in one part of the breast

Symptoms in children

• Breast lumps in children are rare. If they do occur, they are almost always harmless growths caused by hormones.
• Any new breast lump or firm area in a child should be checked by a doctor, especially if it grows or is painful.

Symptoms in older adults

• The risk of breast cancer increases with age, so older adults should stay alert to any new changes.
• Changes in the nipple, such as crusting or soreness, can be a sign of breast cancer in older adults.
• Skin changes like redness or thickening may be easier to notice in older adults because breast tissue becomes less dense.

Causes

Main causes

• Breast cancer happens when breast cells grow out of control. The exact cause is not fully known, but it involves changes in DNA that make cells divide too quickly.
• Hormones like estrogen can fuel some breast cancers to grow.
• Family history of breast or ovarian cancer can be linked to inherited gene changes.
• Some people have no known risk factors and still develop breast cancer.

Risk factors

• Getting older — risk rises sharply after age 50
• Having a close relative (mother, sister, or daughter) with breast cancer
• Carrying certain gene changes, such as BRCA1 or BRCA2
• Starting menstruation before age 12 or menopause after age 55
• Having dense breast tissue, which can make screening harder and slightly increases risk
• Taking combined hormone replacement therapy for many years
• Drinking alcohol — the more you drink, the higher the risk
• Being overweight or obese after menopause
• Lack of physical activity
• Having had chest radiation treatment for another cancer

When to see a doctor

See a doctor urgently if:

• If you notice any new breast lump or change, don't wait for your next screening — see your doctor within a week or two.
• If you have nipple discharge that is bloody or leaks on its own, see a doctor promptly.
• If you feel a persistent pulling or retraction of the nipple, get it checked.

Book a routine appointment if:

• If you are between certain ages and eligible for screening, follow the schedule recommended by your local health service, such as the NHS breast screening programme.
• If you have a family history of breast cancer, ask your doctor about earlier or more frequent screening.

Diagnosis

Your doctor will ask about your symptoms, examine your breasts, and may recommend imaging. If something looks suspicious, they will arrange further tests. Only a biopsy can give a final answer.

Tests that may be done

• Clinical breast examination — a doctor feels both breasts and underarms for lumps or changes.
• Mammogram — an X-ray of the breast used for screening and diagnosis.
• Breast ultrasound — often used to look at a specific lump, especially in younger women with dense tissue.
• Biopsy — a tiny sample of breast tissue is taken with a needle and examined under a microscope to check for cancer cells.
• MRI scan — might be used for high-risk women or to clarify findings from other tests.

What to expect at your appointment

You may feel nervous, but tests are usually quick. Most women who have a biopsy do not have breast cancer. If cancer is found, the medical team will discuss next steps clearly and with compassion. You don't have to face it alone.

Treatment

Treatment for breast cancer depends on the type, size, stage, and your personal preferences. Your team will usually combine treatments to give you the best chance of success while keeping side effects manageable.

Self-care at home

• Ask for help when you need it — from family, friends, or a support group.
• Keep a notebook for questions to ask your doctor.
• Rest when you feel tired, but try to stay gently active.
• Eat nourishing foods that you can tolerate.
• Talk to your pharmacist about managing side effects, but do not self-treat with medicines without asking.

Medical treatments

Standard approaches include surgery to remove the tumour, radiation therapy to destroy remaining cancer cells in the breast area, and drug treatments that travel through the body. These may include chemotherapy, hormone therapy, or targeted therapy — but the specific choice is personal. Your doctor will explain the benefits and risks of each option and help you decide together.

When is surgery considered?

Surgery is often part of breast cancer treatment. It may be breast-conserving surgery (removing just the tumour) or a mastectomy (removing the whole breast). Some people also need lymph node removal. Your surgeon will talk you through what to expect.

Living with this condition

After breast cancer treatment, you will have regular follow-up appointments to check your recovery and watch for any changes. Many people adjust to a 'new normal' and return to work, family life, and hobbies within time.

Lifestyle tips

• Try to keep a healthy weight.
• Limit alcohol as much as possible — no more than one drink a day is a common safe limit.
• Stay physically active — even a daily walk helps.
• Eat a plant-rich diet with plenty of fruits, vegetables, and wholegrains.
• Avoid smoking and seek help if you need to quit.

Diet and exercise

There is no special diet that cures or prevents breast cancer recurrence, but eating well and staying active support overall health. Some research suggests that a Mediterranean-style diet with olive oil and vegetables may lower risk. Aim for at least 150 minutes of moderate activity each week, but always check with your care team first.

Mental health and emotional wellbeing

A breast cancer diagnosis can bring fear, anxiety, and sadness. These feelings are normal. It can help to talk with a professional counsellor, join a support group, or open up to trusted people. Be kind to yourself — your emotional health matters just as much as your physical health.

Prevention

You cannot completely prevent breast cancer, but you can lower your risk. Keeping a healthy weight, limiting alcohol, staying active, and breastfeeding if you are able are linked to a lower risk. For people with very high risk, medicine or preventive surgery might be discussed with a specialist.

Screening programmes

Regular screening mammograms can detect breast cancer early, before symptoms appear. Early-stage breast cancer usually has better outcomes. Screening also has risks, like false alarms or finding cancers that may never have caused harm. Talk with your doctor about what screening plan is right for your age and risk level.

Complications

If left untreated

• Breast cancer can grow locally and become a visible tumour that may ulcerate through the skin, causing pain and infection.
• It can spread (metastasize) to lymph nodes, bones, liver, lungs or brain, which makes treatment harder and can cause serious symptoms.
• A late-stage cancer may cause fatigue, weight loss, and bone pain.

Long-term outlook

The outlook for breast cancer is improving. Most breast cancers are treatable, especially when found early. Many people live long, full lives after treatment. Newer treatments are gentler and more personalised. Even with advanced breast cancer, treatments can control the disease for many years and help you maintain a good quality of life.

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