N2

You are doing a rotation in an oncology clinic and meet three women who presented with  breast masses and are here to discuss their biopsy results.

The first patient is a 65 year old female with no family history of breast cancer.

Describe what you see histologically:

Is this DCIS or invasive? High grade or low grade?

The second patient is a 72 year old female with no family history of breast cancer.

Describe what you see histologically:

Is this DCIS or invasive? High grade or low grade?

The third patient is a 32 year old woman whose mother was diagnosed with breast cancer at age 41. 
What do you want to test her for?

What other TSGs are associated with cancer?

Describe what you see histologically:

What is the difference between DCIS & infiltrating ductal carcinoma?