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U.S. National Institutes of Health National Cancer Institute
Dictionary of Cancer Terms
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invasive cancer (in-VAY-siv KAN-ser)

 Cancer that has spread beyond the layer of tissue in which it developed and is growing into surrounding, healthy tissues. Also called infiltrating cancer.

Previous Definitions:intravenous pyelography, intraventricular infusion, intravesical, intrusive thought, invasive breast cancer
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