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Bob,
I can't answer most of your questions but I am sure you will get replies from others.
I am only suggesting the possibility of getting the serum test for HER2 status to avoid an other traumatic fine needle biopsy. I am refering to the Bayer test done under licence by such labs as listed below.
The test does not only reflect the status of a primary tumour but in cases of metastatic cancer it will respond to all lesions. So it is not specific to location as a biopsy but it won't miss a remote tumor.
In addition, while this not an approved use of the test, it might help monitor the effectiveness of future treatments if repeated at regular intervals.
Quest Diagnostics
Telephone: 1-800-222-0027
Test number: 15113X
Lab Corp
Telephone: 1-800-676-8033
Test number: 480136
Specialty Labs
Telephone: 1-800-421-7110
Test number S51008
ARUP(drawn in hospital labs and clinics)
Telephone: 1-800-522-2787
Test number: 0098615
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