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How does cancer progress in your body?

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Cancer is when normal cells undergo a transformation, grow and multiply without normal controls.

  • As the cells multiply, they form a mass called a tumor.
  • Tumors are cancerous only if they are malignant. This means that they invade neighboring tissues (especially lymph nodes) because of their uncontrolled growth.
  • Tumors may also travel to remote organs through your bloodstream. This process of invading and spreading to other organs is called metastasis.
  • Tumors overwhelm surrounding tissues by invading their space and taking the oxygen and nutrients they need to survive and function.

SOURCES: 

National Cancer Institute. 

National Institutes of Health. 

WebMD Medical Reference from the American College of Physicians: “Section 12 VIII Lung Cancer.”

News release, FDA.

American Cancer Society.

American Lung Association. 

Reviewed by Carol DerSarkissian on February 05, 2019

SOURCES: 

National Cancer Institute. 

National Institutes of Health. 

WebMD Medical Reference from the American College of Physicians: “Section 12 VIII Lung Cancer.”

News release, FDA.

American Cancer Society.

American Lung Association. 

Reviewed by Carol DerSarkissian on February 05, 2019

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