PREVIOUS QUESTION:

 

NEXT QUESTION:

 

What is metastasis?

ANSWER

Cancers continue to grow and spread by direct extension or through a process called metastasis, whereby the malignant cells travel through the lymphatic or blood vessels -- eventually forming new tumors in other parts of the body.

The term "cancer" encompasses more than 100 diseases affecting nearly every part of the body, and all are potentially life-threatening.

From: Understanding Cancer -- the Basics WebMD Medical Reference

SOURCES: 

National Cancer Institute. 

WebMD Medical Reference from the American College of Physicians: "Oncology I Cancer Epidemiology and Prevention."

Reviewed by Louise Chang on January 27, 2018

SOURCES: 

National Cancer Institute. 

WebMD Medical Reference from the American College of Physicians: "Oncology I Cancer Epidemiology and Prevention."

Reviewed by Louise Chang on January 27, 2018

NEXT QUESTION:

What are the most common types of cancer?

WAS THIS ANSWER HELPFUL

THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

    This tool does not provide medical advice. See additional information.