the first article was prompted by a patient on herceptin who had a chronic cough
they decided to biopsy her, as I recall (haven't read the full article in a while) Then when she stopped herceptin her cough went away. They decided to biopsy her again (should go back and read the article to see how they justified the expense/risk) and found the change reversible.
It looks like I should go back and read it again...Will let you know if not what I remember and posted above...
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