Finding a breast lump is cause for concern. But it may help to know that most breast lumps aren’t cancerous. In fact,
Of those who do have breast cancer, the most common location of the primary tumor is the upper outer quadrant of the breast. Of course, breast cancer can start anywhere there’s breast tissue. And everyone has breast tissue.
Read on to discover where breast cancer lumps are usually found, and what to do if you find one.
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Read this article for more information about breast cancer.
它可以帮助想象每一个乳房a clock with the nipple at the center. Facing your left breast, the upper outer quadrant is in the 12:00 o’clock to 3:00 o’clock position. Facing your right breast, the upper outer quadrant is in the 9:00 o’clock to 12:00 o’clock position.
The reason morebreast cancer lumpsoccur in the upper outer part of the breast isn’t clear, but this area has a lot of glandular tissue. More women than men get breast cancer, but everyone has some breast tissue, and anyone can get breast cancer. Breast cancer lumpsin menareusually foundunder or around the nipple.
These aren’t the only places breast cancer starts, though.
Parts of the breast
Breast tissue takes up a large area. It covers the pectoral muscles and extends from the breastbone to the armpit and up to the collarbone. Breast cancer can develop in any breast tissue. It can occur just under the skin or deep within the breast near the chest wall, where it’s difficult to feel.
The breasts are made up of glands, ducts, connective tissue, and fat. In women, each breast has 15 to 25 lobules, the glands that produce milk. Milk travels from the lobules to the nipple through the ducts. Men have fewer lobules and ducts.
All cancers start when cells begin to grow out of control, which can happen in any part of the breast.
There are certain characteristics of breast cancer lumps that may differentiate them from noncancerous lumps. But these are generalizations. It’s not something you should try to diagnose on your own. Doctors can’t always tell by touch alone, either.
Signs that a breast lump may be cancerous are:
- it doesn’t hurt
- it’s firm or hard
- it’s bumpy
- the edges are irregular
- you can’t move it with your fingers
- it’s growing or changing
- it’s located in the upper outer quadrant of your breast
Keep in mind that having one or more of these characteristics doesn’t mean you have breast cancer. And breast cancer lumps can sometimes present very differently. They can be soft, moveable, and painful. And they can occur anywhere on the chest orarmpit.
Cancerous breast lumps are similar in men and women.
A breast lump is the
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That’s why it’s important to have a doctor examine lumps that develop anywhere on your chest or underarm.
Benign breast disease is
For men and women, signs that abreast lumpmay not be cancerous are:
- it’s tender or hurts
- it feels soft or rubbery
- it’s smooth and round
- you can easily move it using the pads of your fingers
- it’s getting smaller
In women, breast cancer lumps are usually found in the upper outer quadrant of the breast. In men, they’re usually found near the nipple. Regardless of gender, breast cancer can start anywhere there’s breast tissue, from the breastbone to the armpit to the collarbone.
Most breast lumps turn out to be something other than breast cancer. And localized breast cancer is highly treatable, with an overall 5-year relative survival rate of
You can help catch breast cancer before it spreads by familiarizing yourself with how your breasts normally look and feel. One way to do this is to perform a monthlybreast self-exam. If you discover a lump or notice other changes to the way your breasts look or feel, contact a doctor right away.
At your appointment, you should learn about breast cancerscreeningrecommendations, your personalrisk factors, and otherwarning signsof breast cancer.