Breast Cancer Follow-Up and Surveillance After Treatment

What follow-up care is and why it matters

When your main breast cancer treatment finishes, your care does not simply stop. Instead, you move into a stage called follow-up, sometimes also called surveillance. This is a planned series of check-ups and breast X-rays, known as mammograms, designed to look for any sign that the cancer has come back or that a new breast cancer has started. According to Cancer Research UK, follow-up also gives you a chance to talk about how you are feeling, manage any side effects of treatment, and get support for life after cancer.

Follow-up has a few main aims. It helps your team find and treat any return of the cancer as early as possible. It keeps an eye on the effects of ongoing treatments, such as hormone therapy tablets. And it gives you a point of contact for worries, symptoms and practical or emotional support. The early detection of any change is one of the most important parts of all of this, which is why surveillance mammograms are offered to almost everyone who has had breast cancer.

This page gives general, educational information about breast cancer follow-up in the UK. It is not personal medical advice. Your own follow-up plan is decided by your treatment team and depends on your individual situation. If you have a question about your own care, or a symptom that worries you, please contact your breast care nurse, GP or treatment team, who know your circumstances best.

How often you will be seen

There is no single follow-up timetable that suits everyone. The NHS and Cancer Research UK explain that how often you are seen depends on things like your type of breast cancer, the treatment you had, whether you are still on treatment such as hormone tablets, and the policy of your local hospital. Many people are followed up for at least 5 years.

In general, appointments tend to be more frequent in the first year or two after treatment, when any return of the cancer is most likely to show, and then become less frequent over time. A common pattern looks something like this, although yours may differ:

• More regular check-ups in the first year or two, for example every few months to start with.
• Appointments gradually spaced out, for example every six months and then once a year.
• A surveillance mammogram, usually once a year, as part of your follow-up.
• Discharge from the hospital team after around 5 years, often back to your GP and the NHS Breast Screening Programme.

Appointments may be face to face in a clinic, or they may be by telephone or online video call, depending on your hospital and your needs. The important thing is not how often you are seen, but that you know who to contact and that any changes are checked promptly.

Surveillance mammograms: how often and for how long

A surveillance mammogram is a breast X-ray used after treatment to check for any sign of cancer coming back or a new cancer. NICE, the body that sets treatment standards in England and Wales, recommends offering annual mammograms for 5 years to everyone who has had breast cancer, including the early type called DCIS (ductal carcinoma in situ). Most people therefore have a mammogram once a year for 5 years.

Which breast or breasts are checked depends on the surgery you had:

• If you had breast-conserving surgery (sometimes called a lumpectomy or wide local excision), you usually have mammograms on both breasts.
• If you had a mastectomy on one side, you usually have mammograms on the remaining breast.
• If you had a mastectomy on both sides (a double mastectomy), Breast Cancer Now explains you would not usually be offered routine mammograms, because there is little or no breast tissue left to X-ray. Your team will instead examine the chest area.

What happens after the 5 years of yearly mammograms depends mainly on your age, according to the NHS and Cancer Research UK:

• If you are 50 or over, you are usually moved back to the NHS Breast Screening Programme and invited for a mammogram every 3 years, in line with routine screening.
• If you are under 50, you usually carry on having a mammogram once a year until you reach the age when routine screening starts, and then move on to screening every 3 years.
• If you are 70 or over, you may not be invited automatically for routine screening after the 5 years, but you can still ask for a mammogram every 3 years at your local breast screening unit.

It is worth knowing that researchers in the UK have studied how often surveillance mammograms are needed. A large study called Mammo-50 looked at whether people aged 50 and over could safely have mammograms less often than every year after the first few years. Findings like these may, over time, influence how surveillance is offered. Your team can explain the plan that applies to you now, and you should follow the schedule they give you rather than a general rule from a website.

What happens at a follow-up appointment

A follow-up appointment is mainly a chance for your team to check how you are, both physically and emotionally, and to deal with anything that has come up. Cancer Research UK explains that what happens can vary, but appointments often include some of the following:

• Asking how you are feeling and whether you have noticed any new symptoms or changes.
• Examining your breast area, chest, scar and the lymph nodes around your armpit and collarbone, if you have a clinic appointment.
• Reviewing the results of your most recent surveillance mammogram.
• Checking on any ongoing treatment, such as hormone therapy tablets, and how you are coping with side effects.
• Talking about your general wellbeing, including tiredness, mood, bone health, and getting back to work or normal activities.
• Referring you, if needed, to other support such as a physiotherapist, dietitian, lymphoedema service or counselling.

You will not usually have lots of routine scans or blood tests at every appointment if you are feeling well. The NHS and Cancer Research UK explain that, for people without symptoms, regular whole-body scans and blood tests have not been shown to help and are not part of standard follow-up. Tests like CT scans, bone scans or blood tests are arranged when there is a specific reason, such as a new symptom that needs looking into. If you are worried that you are not being scanned, it is fine to ask your team to explain the reasons behind your plan.

Your follow-up plan, treatment summary and open access

Good follow-up should not feel like a mystery. Cancer Research UK and Breast Cancer Now describe several things your team should give you so you know what to expect and who to contact:

• A treatment summary: a written summary of the treatment you had and your follow-up plan, a copy of which is usually sent to your GP.
• A holistic needs assessment: a conversation and checklist that looks at your physical, emotional, practical and social needs, so support can be arranged.
• A cancer care review with your GP practice, to talk about your health and any support you need close to home.
• Clear details of who to contact, what changes or symptoms to report, and how to get back in touch quickly if you are worried.

Many hospitals now offer a type of follow-up sometimes called open access or patient-initiated follow-up. Instead of attending lots of routine appointments, you are given information to help you manage your own health, along with a direct way to contact your breast care nurse or team if you notice a change or have a concern. Breast Cancer Now explains that with this approach you still have your surveillance mammograms, and you can ask to be seen quickly if something worries you. Open access works well for many people, but if you would prefer regular appointments, it is reasonable to talk to your team about what is available.

What to report between appointments

Surveillance mammograms and check-ups are important, but most changes are actually noticed by people themselves, between appointments. That is why getting to know how your breast area, chest and scar normally look and feel is so useful. Breast Cancer Now advises checking in a way that suits you, for example when bathing, dressing or putting on moisturiser, so you can spot anything new or unusual for you.

You do not need to wait for your next appointment if you notice something that concerns you. Contact your breast care nurse, GP or treatment team if you notice any of the following, especially if it is new, unusual for you, or does not go away after a couple of weeks:

• A new lump or thickening in the breast, the treated area, the other breast, the armpit or around your collarbone.
• Changes to the skin of the breast or chest, such as redness, a rash, dimpling or puckering.
• Changes to a nipple, such as it turning inwards, or discharge that comes without squeezing.
• A change in the size or shape of a breast.
• A new lump, hardening or change along your scar or on the chest wall after a mastectomy.
• Swelling in your arm or hand, which can be a sign of lymphoedema.
• Bone aches or pains that do not go away, unexplained weight loss, a lasting cough or breathlessness, or feeling generally unwell in a new way.

Reporting a symptom does not mean you are overreacting or wasting anyone's time. Most symptoms turn out not to be cancer, and getting them checked is exactly what your team wants you to do. If you have open access follow-up, you can usually contact your breast care nurse directly. If you have been discharged from the hospital team, contact your GP, and mention that you have had breast cancer in the past.

Looking after yourself during follow-up

Follow-up is also a good time to focus on your wider health and recovery. The NHS notes that healthy habits are good for both your body and your mind after cancer treatment. While no lifestyle change can guarantee that cancer will not return, looking after yourself can help you feel stronger and supports your general health:

• Keeping physically active, building up gently if you have not exercised for a while.
• Eating a balanced diet and keeping to a healthy weight where you can.
• Limiting alcohol, and not smoking.
• Taking any ongoing medicines, such as hormone therapy, as prescribed, and reporting side effects rather than stopping on your own.
• Attending your surveillance mammograms and check-ups when invited.
• Asking for emotional support if you are struggling, which is a normal part of recovery.

It is very common to feel anxious around follow-up appointments and scans, a feeling some people call 'scanxiety'. Worry about the cancer returning is normal too. If these feelings are affecting your daily life, your GP, breast care nurse and charities such as Breast Cancer Now and Macmillan Cancer Support can help. You do not have to wait until things feel unbearable to ask for support.

Why follow-up and early detection matter for everyone

The World Health Organization highlights that finding breast cancer early, and making sure people can get the care they need, are key to better outcomes. Follow-up and surveillance are part of that picture: they aim to catch any return of cancer at a stage when it is most treatable. The same principle of early detection that drives surveillance mammograms also underpins breast screening for the wider population.

At breastcancer-charity.org, our mission is to improve early detection and access to care in underserved communities, where regular follow-up, scans and support after treatment can be harder to reach. Clear information about what follow-up involves, how long it lasts and which changes to report can help people stay engaged with their care. If anything on this page raises a question about your own situation, please speak to your GP or treatment team, who can give you advice based on your personal circumstances.