9 doctors weighed in:

If malignant breast tumor, how fast does it grow?

9 doctors weighed in
Dr. Regina Hampton
Breast Surgery
6 doctors agree

In brief: Depends

Tumors are different for everyone.
Some grow fast and some grow slow. Age, genetic factors and ethnicity can contribute. If you are diagnosed with breast cancer, it is important to take time to explore and understand the treatments and options. In general, it can take 2-4 weeks from the time of diagnosis until the first treatment intervention. Be sure you get your questions answered by your dr.

In brief: Depends

Tumors are different for everyone.
Some grow fast and some grow slow. Age, genetic factors and ethnicity can contribute. If you are diagnosed with breast cancer, it is important to take time to explore and understand the treatments and options. In general, it can take 2-4 weeks from the time of diagnosis until the first treatment intervention. Be sure you get your questions answered by your dr.
Dr. Regina Hampton
Dr. Regina Hampton
Thank
Dr. Greg Pahnke
Surgery - Oncology
1 doctor agrees

In brief: Actually slowly

Doubling time of breast cancers is 100 days, so if you believe cancer starts as one cell ie.
Maybe a stem cell transformation and that cell divides to begin cancer growth then::::one cell to 2 cells 2 to 4 4 to 8 8 to 16cells etc it takes 6 years to get to a 1 cm size that is 3/8 of a inch. And that is the threshold of what i can feel mammogram may show it earlier.

In brief: Actually slowly

Doubling time of breast cancers is 100 days, so if you believe cancer starts as one cell ie.
Maybe a stem cell transformation and that cell divides to begin cancer growth then::::one cell to 2 cells 2 to 4 4 to 8 8 to 16cells etc it takes 6 years to get to a 1 cm size that is 3/8 of a inch. And that is the threshold of what i can feel mammogram may show it earlier.
Dr. Greg Pahnke
Dr. Greg Pahnke
Thank
2 comments
Dr. Regina Hampton
This is generally true but could be faster depending on the cell type, age, race/ethnicity, menopausal status and hormonal status of the tumor. In premenopausal women, tumors can grow faster, especially if they are triple negative (i.e. tumor does not have estrogen, progesterone or HER2 receptors).
Dr. Stephen Saponaro
This is why annual screening is so important. Detecting tiny changes over time is critical to catching the disease earlier.
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