Can cancer cells infect others?

Cancer cells themselves are not infectious, so patients with cancer will not infect others. Malignant tumors are certain cells of the body, under the long-term action of some carcinogenic factors gene mutation, loss of normal regulation of its growth, cell proliferation will not be controlled. Therefore, the formation of malignant tumors, white blood cells in the body will be uncontrolled growth, and will infiltrate the surrounding tissues and organs, but also show distant metastasis. But this happens only in the body and is not transmitted to others through contact or other factors.