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9

NCCN Guidelines for Patients

®

Breast Cancer - Early-Stage

(STAGES I AND II)

, Version 1.2016

1

Breast cancer basics

Breast cancer

Illustration Copyright © 2016 Nucleus Medical Media, All rights reserved.

www.nucleusinc.com

Figure 1.4

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.

Figure 1.3

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 about 24,000

genes.

Illustration Copyright © 2016 Nucleus Medical Media, All rights reserved.

www.nucleusinc.com