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HealthInfo Waitaha Canterbury

Overview of breast lumps

Tirohanga whānui ki ngā repe ū

Breast lumps have many different causes, and most breast lumps aren't cancer.

The most common causes of benign (non-cancerous) breast lumps include:

But breast cancer can also cause a breast lump. If you find a lump in your breast, you should see your general practice team as soon as possible.

Men can get breast cancer too and should also have any new lump checked as soon as possible.

Diagnosing breast lumps

To help decide whether the lump needs further investigation, your general practice team will ask you some of the following questions:

Your general practice team will also check the lump by examining your breasts, and decide whether you need further tests, such as an ultrasound or mammogram.

If you have further tests, they will help show whether the lump is breast cancer or a non-cancerous lump and help your general practice team decide if you need any further investigation or treatment.

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On the next page: Causes of breast lumps

Written by HealthInfo clinical advisers. Last reviewed July 2022.


Page reference: 508142

Review key: HIBRL-129242