National Cancer Institute National Cancer Institute
U.S. National Institutes of Health National Cancer Institute
Dictionary of Cancer Terms
Send to Printer
tumor promotion (TOO-mer pruh-MOE-shun)

 A process in which existing tumors are stimulated to grow. Tumor promoters are not able to cause tumors to form.

Previous Definitions:tumor load, tumor marker, tumor microenvironment, tumor model, tumor necrosis factor
Next Definitions:tumor suppressor gene, tumor vasculature–targeted tumor necrosis factor alpha, tumor volume, tumor-derived, tumor-specific antigen