Breast cancer

Last updated: 16 Apr. 2026
Reviewed by: Specialist doctors from the Elfcare quality team

Have you noticed subtle changes, like feeling more tired, changes in your breast shape, or skin texture you didn’t expect?

Many people overlook small signs like these, assuming they’re just part of getting older or hormonal shifts. But sometimes, these early changes can tell us more about what’s happening inside the body.

Breast cancer is one of the most common cancers — and one of the most treatable when caught early. The challenge is that it often develops silently, without noticeable symptoms, which is why proactive screening matters.

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What is breast cancer?

Breast cancer happens when certain cells in the breast start to grow in an unusual way. Instead of dividing and renewing normally, these cells grow uncontrollably and can form a lump or mass called a tumor.

The breasts are made up of glands (that produce milk), ducts (that carry milk), and fatty tissue. Breast cancer can begin in any of these areas, but it most commonly starts in the ducts or glands. This process is influenced by hormones like estrogen and progesterone, which naturally regulate breast tissue growth. When this balance is disrupted by genetics, lifestyle, or hormonal shifts, cell growth may become abnormal.

Understanding these biological changes helps you appreciate why early detection matters: it gives you time to act before major changes occur.

Symptoms of breast cancer

Many early signs of breast cancer are subtle and easy to overlook. Paying attention to small, gradual changes can make a big difference.

Common breast cancer symptoms:

A new lump or thickened area in the breast or underarm
Changes in breast shape or size
Dimpling or puckering of the skin
Nipple changes (such as inversion, rash, or discharge)
Redness or scaling on the breast or nipple skin
Persistent pain in one part of the breast

Less common or long-term signs:

Swelling in the upper chest or armpit area
A feeling of heaviness or fullness in one breast
Unexplained fatigue or weight changes

These symptoms can also appear with non-cancerous conditions like cysts or hormonal fluctuations. That’s why testing is so important, it brings clarity and confidence.

What causes breast cancer?

There’s no single cause of breast cancer, but several factors can influence risk.

Genetic factors: Some people inherit mutations in genes such as BRCA1 or BRCA2, which increase the likelihood of abnormal cell growth in breast tissue.
Hormonal influences: Prolonged estrogen exposure through early menstruation, late menopause, or certain hormone therapies, can affect how breast cells grow and divide over time.
Lifestyle and environment: Alcohol consumption, physical inactivity, obesity, and exposure to certain chemicals may contribute to hormonal imbalance and oxidative stress, both of which affect breast tissue health.
Age and family history: Risk increases with age, particularly after 40. Having a close relative with breast cancer can also raise individual risk, though many cases occur with no family link.

How is breast cancer detected?

Breast cancer detection relies primarily on imaging, with blood tests providing supportive hormonal and inflammatory context.

Imaging tests:

Mammography: it’s the standard screening tool, using low-dose X-ray to identify lumps or calcifications in breast tissue.
MRI: offers detailed soft tissue imaging and is used when mammography findings are unclear, or in high-risk individuals.
Ultrasound: often used to assess specific areas of concern identified on a mammogram or MRI.
Biopsy: it’s required for a definitive diagnosis if a suspicious finding is made on imaging.

Blood tests do not detect breast cancer directly, but certain biomarkers can provide relevant context:

Oestradiol: assesses oestrogen levels, which play a role in breast tissue regulation.
CRP (C-reactive protein): a marker of systemic inflammation, which is associated with increased cancer risk.
Vitamin D: low levels are linked to impaired immune function and have been associated with higher breast cancer risk in some studies.

Why early detection matters

Breast cancer often develops silently over time. Detecting it early, before symptoms are present or while the tumour is still small, leads to a significantly more effective and less invasive treatment.

Regular health monitoring allows you to act on small changes like lifestyle changes, targeted nutrition, or further imaging before they become larger concerns.

Early detection is not just about preventing disease, it’s about maintaining hormonal balance, supporting long-term vitality, and feeling confident in your health decisions.

How Elfcare can help

Elfcare supports breast health through three integrated tools:

Full body MRI: scans the thorax to flag masses or structural changes. While not a replacement for mammography, it provides a high-level view that can identify issues between routine screenings.
Mammography: we advocate for the gold standard. Our exams act as a proactive bridge for those between routine checks or under the typical screening age.
Blood panel: analyzes 80+ biomarkers, including oestradiol and vitamin D, to assess the hormonal and inflammatory environment relevant to breast health.

If a suspicious finding or hormonal imbalance is detected, your Elfcare doctor will discuss the results during your follow-up. We manage the referral process for further diagnostics, such as targeted ultrasound or biopsy, ensuring clear communication with your specialist.

Book a consultation to learn more

Summary

Breast cancer is common, often silent in its early stages, and highly treatable when caught early. Elfcare's full body MRI and blood panel help identify structural changes and hormonal imbalances that may signal a need for further investigation.

Recognizing changes, testing regularly, and understanding your results can make a profound difference in how you manage your long term health.

Last updated: 16 Apr. 2026
Reviewed by: Specialist doctors from the quality team at Elfcare

FAQ

Breast cancer occurs when cells in the breast begin to grow uncontrollably, forming a tumor that can sometimes spread to other parts of the body. It’s one of the most common cancers among women, but early detection and modern treatments have significantly improved recovery rates. Both women and, more rarely, men can develop breast cancer.
Early breast cancer often causes no pain or symptoms. The most common signs include a lump or thickening in the breast or underarm, changes in breast size or shape, dimpling or puckering of the skin, nipple discharge (especially if bloody), or changes in the nipple such as inversion or redness. It’s important to remember that many breast changes are benign — but any new or unusual symptom should be checked by a doctor.
Diagnosis usually begins with a physical examination and imaging tests such as mammography, ultrasound, or MRI. If an abnormality is found, a biopsy is performed to determine whether the cells are cancerous and, if so, what type and stage of cancer it is.
Yes. If our MRI or blood tests identify a suspicious finding, we take care of further diagnostics or refer you to the appropriate specialist.
Yes. Treatment depends on the type and stage of cancer, but may include surgery, radiation therapy, chemotherapy, hormone therapy, or targeted drug treatments. When detected early, breast cancer is highly treatable, and most people recover fully with appropriate care.