An ultrasound uses sound-waves to build up a picture of the breast tissue. You will also have an ultrasound of the lymph nodes in the armpit.

What is a breast ultrasound?

An ultrasound uses sound-waves to build up a picture of the breast tissue. It can show if a lump is solid (made of cells) or if it is a fluid-filled cyst. It can also show whether a solid lump is regular or irregular in shape.

You will be asked to remove the clothes from the top half of your body. Then you lie down on a couch with your arm above your head. The person doing the scan puts a gel onto your breast tissue. They move a small device over the area. A picture of the breast tissue shows up on a screen. An ultrasound only takes a few minutes and is painless.

Ultrasound of the lymph nodes

You will also have an ultrasound of the lymph nodes in the armpit. If any of the nodes feel swollen or look abnormal on the ultrasound, the doctor will take a biopsy of them.

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