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The most common early sign of breast cancer is a new lump or swelling in the breast, chest or armpit. Other signs include skin dimpling, a change in size or shape, nipple changes or bloody nipple discharge. Most breast lumps are not cancer, but every new change should be checked.
Finding breast cancer early makes it easier to treat. This guide explains the signs, who is at higher risk, how screening works and why advice on mammograms differs between countries.
Early signs to look for
The NHS and WHO list these changes. You may notice only one of them.
- A lump or thickening in the breast, in the chest area or in the armpit, often painless
- Dimpling, puckering, redness or pitting of the skin
- A change in the size or shape of one or both breasts
- A nipple that turns inward, or a rash on the nipple that looks like eczema
- Fluid from the nipple, especially if it contains blood and you are not pregnant or breastfeeding
- Pain in the breast or armpit, though cancer can also occur without pain
The NHS points out that breast pain on its own is not usually a sign of breast cancer. Monthly breast tenderness before periods is also very common. What matters is a change that is new, lasts, or is not normal for you.
Who is at higher risk?
WHO explains that being a woman and growing older are the strongest risk factors, and that about 80% of breast cancers occur in women whose only risk factors are being female and over 40. Other factors include:
- A family history of breast or ovarian cancer
- Inherited gene changes such as BRCA1, BRCA2 and PALB-2, which raise risk greatly
- Obesity and harmful use of alcohol
- Tobacco use
- Earlier radiation exposure to the chest
- Reproductive history and hormone therapy after menopause
Having a risk factor does not mean you will get breast cancer, and many women with breast cancer have none. Do not blame yourself or your habits if you are ever diagnosed.
Breast self-awareness: know your normal
The CDC encourages breast self-awareness, meaning you know how your breasts normally look and feel so you can report changes quickly. It is not a replacement for screening, and no strict method is required.
- Look in a mirror with your arms by your sides, then raised, checking shape, skin and nipples.
- Use the pads of your fingers to feel each breast and the armpit, covering the whole area, in a comfortable position such as lying down or in the shower.
- Notice changes from your own normal, not from someone else's.
- Choose a regular day, ideally when breasts are less tender, so comparing is easier.
Tip: Link your check to something you already do each month, such as the day after your period ends. After menopause, pick a fixed date, for example the first of the month.
Screening: what is a mammogram?
A mammogram is an X-ray of the breast. According to the CDC it can find cancer before it is large enough to feel. The CDC also lists its downsides: false alarms, overdiagnosis, discomfort during the test, small radiation exposure, and the chance that a cancer is missed.
Guidelines vary. WHO describes screening as mammography for women without symptoms, typically in the 50 to 69 age range. The U.S. Preventive Services Task Force, quoted by the CDC, recommends a mammogram every 2 years from 40 to 74 for women at average risk. Women at higher risk may be advised to start earlier or have extra tests such as MRI. Ask your doctor which plan fits your age and family history.
Screening versus early diagnosis
WHO stresses two parts of early detection. Screening checks healthy women. Early diagnosis means recognising symptoms, getting seen promptly and starting treatment without delay. Where mammography is hard to reach, early diagnosis still saves lives, which is why acting on a lump matters in every town and village, including Kadapa and nearby areas.
Myths and facts
- Myth: A painless lump is harmless. Fact: WHO says breast cancer lumps are often painless, so any new lump needs checking.
- Myth: Only women with a family history get breast cancer. Fact: Most do not have such a history.
- Myth: A lump always means cancer. Fact: Most lumps are not cancer, but only tests can tell.
- Myth: Mammograms cause cancer. Fact: The radiation dose is small, and the CDC lists it as a minor risk weighed against benefit.
When to see a doctor
See a doctor promptly if you notice:
- A new lump, thickening or swelling in the breast, chest or armpit
- A change in skin, size, shape or nipple that is not normal for you
- Bloody or unusual nipple discharge
- Breast or armpit pain, especially with a family history of breast or ovarian cancer
When to be cautious: Do not wait for the lump to hurt, and do not assume it is related to breastfeeding or periods. These signs are common and often have harmless causes, but only an examination can tell the difference.
What to expect at the appointment
The NHS says the doctor will ask about your symptoms, past screening and family history, may examine your breasts and may refer you to a breast clinic for further tests. These can include a mammogram, an ultrasound scan or taking a tiny sample for testing. Waiting for results is stressful, so bring someone with you. If you are pregnant or breastfeeding, tell the doctor, because breasts change during these times. You can also read about why regular gynaecological checkups matter and how a self-exam and mammogram fit together.
Talk to a doctor
If you have found a change or are unsure when to start screening, a consultation can give you clear next steps. You can book an appointment or call +91 944 103 0587. This article is for general awareness and is not a substitute for a doctor's advice.
References
This article was written in our own words from the following public health sources.
Educational content
Please note. This article is for general awareness and is not a substitute for a doctor’s advice, diagnosis or treatment. If you are worried about your health, or in an emergency, call +91 944 103 0587 or visit the hospital.
