A member asked:

How does breast cancer spread? is it contagious?

8 doctors weighed in across 3 answers

No: Breast cancer does not spread from one person to the next like an infection. A minority of breast cancers occur in women with a hereditary form of breast cancer that can be passed on to first-degree relatives.

Answered 9/15/2011

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Dr. Devon Webster answered

Specializes in Medical Oncology

It's not contagious!: Breast cancer can spread inside the body of the person with cancer, but it doesn't spread to other people! individual cells can leave the tumor and move through the bloodstream or lymph channels to other parts of the body, causing the cancer to grow in other places.

Answered 9/15/2012

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Dr. Travis Kidner answered

Specializes in Surgical Oncology

Lymphatics: Breast cancer spreads through your lymphatic system. It is not contagious.

Answered 12/9/2013

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