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A member asked:
A/c/t chemo for stage 2b breast cancer. almost done with chemo and original tumor has shrunk but now there is a new tumor. how is this possible?
2 doctors weighed in across 2 answers
Needs biopsy confirm: If the new tumor is confirmed(by a biopsy) to be related to breast cancer, then your treatment is starting to fail. This does happen although it is uncommon to see it happen while you are still taking this (act) regimen of chemotherapy. The cause is related to tumor getting used to the chemo drugs(it is called acquired drug resistance), a well known cause of treatment failure with chemotherapy
Answered 10/20/2013
4.8k views
Likely not cancer: Most likely your new tumor is just a coincidence. On the rare occasions that new tumors show up during chemotherapy, it is the result of chemotherapy-resistant strains of cancer cells. This would not be good news. Here's to your finding out that this new tumor is benign...
Answered 12/30/2013
4.6k views
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