why benign tumors doesn
Best answer: Tumors can be either benign (not cancerous) or malignant (cancerous). Benign tumors do not spread to other parts of the body, and they are rarely a threat to life. Malignant tumors can spread (metastasize) and may be life threatening. B
Best answer:
Tumors can be either benign (not cancerous) or malignant (cancerous). Benign tumors do not spread to other parts of the body, and they are rarely a threat to life. Malignant tumors can spread (metastasize) and may be life threatening.
Best answer: http://www.cancer.gov/cancertopics/facts...