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11

NCCN Guidelines for Patients

®

:

Colon Cancer, Version 1.2017

1

Colon cancer basics

Cancer’s threat

Figure 3

Genetic material in cells

Most human cells contain the

“blueprint of life”—the plan by

which our bodies are made and

work. The plan is found inside of

chromosomes, which are long

strands of DNA that are tightly

wrapped around proteins. Genes

are small pieces of DNA that

contain instructions for building

new cells and controlling how

cells behave. Humans have an

estimated 20,000 to 25,000 genes.

Figure 4

Normal cell growth vs.

cancer cell growth

Normal cells increase in number

when they are needed and

die when old or damaged. In

contrast, cancer cells quickly

make new cells and live longer

because of abnormal changes in

genes.

Illustration Copyright © 2017 Nucleus Medical Media, All rights reserved.

www.nucleusinc.com

Illustration Copyright © 2017 Nucleus Medical Media, All rights reserved.

www.nucleusinc.com