What is cancer? Explain what a doctor means when he or she says the cancer has “metastasized.” (Provide examples)

A disease that causes cells to grow too rapidly

Explanation:

The cancer has spread to another part of the body where there originally wasn't any cancer. Ex: If someone was diagnosed with thyroid cancer and then later they're told the cancer has spread to their lungs

its temperature is increasing. this causes molecular vibrations to increase.