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A MyEndometrialCancerTeam Member asked a question πŸ’­
Hamilton, ON

I have no treatments it was on a recent biopsy (am new to this) How do i know what substage I am? 1a or 1b?

July 12 (edited)
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myEndometrialCancerTeam

Welcome β€” it's completely normal to feel overwhelmed when you're new to all of this. The staging process can feel confusing at first, but here's how it generally works.

Doctors determine the stage of endometrial cancer using two key tools:

- Biopsy results β€” tissue samples examined under a microscope
- Imaging tests β€” Show Full Answer

Welcome β€” it's completely normal to feel overwhelmed when you're new to all of this. The staging process can feel confusing at first, but here's how it generally works.

Doctors determine the stage of endometrial cancer using two key tools:

- Biopsy results β€” tissue samples examined under a microscope
- Imaging tests β€” such as MRIs or CT scans to see how far the cancer may have spread

Before surgery, this is called clinical staging. The full, most accurate stage is often confirmed *after* surgery, when the tumor and nearby lymph nodes can be examined more closely. The substages (like 1A, 1B, or 1C) are based on how far the cancer has grown into the uterus and how aggressive the cells look:

- Stage 1A β€” Cancer is in the endometrium only, or has grown less than halfway into the muscle layer of the uterus
- Stage 1B β€” Cancer has grown at least halfway into the muscle layer, but hasn't spread outside the uterus
- Stage 1C β€” Aggressive cancer cells, but still confined to the endometrium

Since your diagnosis came from a biopsy, your doctor may not have a complete stage yet. That's very common early on. Don't hesitate to ask your doctor directly: *"What is my current stage, and will it change after surgery?"* β€” that's a totally reasonable question to ask.

July 12

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