We describe a role for the complement system in enhancing cancer growth. Cancer cells secrete complement proteins that stimulate tumor growth upon activation. Complement promotes tumor growth via a direct autocrine effect that is partially independent of tumor-infiltrating cytotoxic T cells. https://www.soiebiologique.com/quick-sale-Axol-Friends-Mel-Axol-the-Axolotl-Black-Purple-special-save/