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When its mets from the primary it would remain the same. Such as breast cancer mets to liver is still breast cancer and treated as such it is not liver cancer. That is why it is always tested to see if it is still brrast cancer or a new primary then being secondary. I hope this is clear. I have had people tell me they have bone cancer and after talking to them they will tell me they started out with breast cancer and it went to the bone. They think now they have bone cancer when it is still breast cancer spread to the bone. The treatment will be for breast cancer and not bone cancer, the same when it spreads to liver or lung. I am sure others will post on this. The ER/PR remains the same as the primary but can change with a new primary then being secondary. Hugs, Sandy
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