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Originally Posted by Steve Carlton
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That article jibes with an interview I heard on NPR describing normal care after removing a tumor. The doctor described "traveler" cancer cells that may have sloughed off of the tumor and traveled through the blood or lymphatic system and still be too small or too widely dispersed to detect. The follow-up chemo is intended to kill those cells. The doc called the term "preventative" unfortunate, because it isn't intended to prevent cancer, it is intended to kill any existing cancer cells.