Typically, how long does it take for cancer to metastize?!

This is all I could find in http://www.breastcancer.org/symptoms/dia...

Stage 0
This stage is used to describe non-invasive breast cancer. There is no evidence of cancer cells breaking out of the part of the breast in which it started, or of getting through to or invading neighboring normal tissue. LCIS and DCIS are examples of stage 0.

Stage I
This stage describes invasive breast cancer (cancer cells are breaking through to or invading neighboring normal tissue) in which

The tumor measures up to two centimeters, AND
No lymph nodes are involved.
Stage II
This stage describes invasive breast cancer in which:

The tumor measures at least two centimeters, but not more than five centimeters, OR
Cancer has spread to the lymph nodes under the arm on the same side as the breast cancer. Affected lymph nodes have not yet stuck to one another or to the surrounding tissues, a sign that the cancer has not yet advanced to stage III. (The tumor in the breast can be any size.)
Stage III
Stage III is divided into subcategories known as IIIA and IIIB.

Stage IIIA
Stage IIIA describes invasive breast cancer in which:

the tumor measures larger than five centimeters, OR
there is significant involvement of lymph nodes. The nodes clump together or stick to one another or surrounding tissue.
Stage IIIB
This stage describes invasive breast cancer in which a tumor of any size has spread to the breast skin, chest wall, or internal mammary lymph nodes (located beneath the breast right under the ribs, inside the middle of the chest).

Stage IIIB includes inflammatory breast cancer, a very uncommon but very serious, aggressive type of breast cancer. The most distinguishing feature of inflammatory breast cancer is redness involving part or all of the breast. The redness feels warm. You may see puffiness of the breast's skin that looks like the peel of a navel orange ("peau d'orange"), or even ridges, welts, or hives. And part or all of the breast may be enlarged and hard. A lump is present only half of the time. Inflammatory breast cancer is sometimes misdiagnosed as a simple infection.

Expert Quote
"When you're in the midst of the diagnosis and staging process, and the tumor information is coming back in bits and pieces, at many different times, it is an extremely stressful time in your life. Uncertainty really stinks! But you will feel SO much better once you know what you're dealing with, when your treatment plan has been worked out, and you start your treatment. Only then does much of that dreadful uncertainty lift, and you finally feel that you are doing something to get rid of the problem."

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