What Is Cancer?

Question 1

Carcinoma

Answer 1

Carcinoma - cancer that begins in the skin or in tissues that line or cover internal organs.

Question 2

Sarcoma

Answer 2

Sarcoma - cancer that begins in bone, cartilage, fat, muscle, blood vessels, or other connective or supportive tissue.

Question 3

Leukemia

Answer 3

Leukemia - cancer that starts in blood-forming tissue such as the bone marrow and causes large numbers of abnormal blood cells to be produced and enter the blood.

Question 4

Lymphoma and myeloma

Answer 4

Lymphoma and myeloma - cancers that begin in the cells of the immune system.

Question 5

Central nervous system cancers

Answer 5

Central nervous system cancers - cancers that begin in the tissues of the brain and spinal cord.

Question 6

Benign tumors

Answer 6

Benign tumors aren’t cancerous. They can often be removed, and, in most cases, they do not come back. Cells in benign tumors do not spread to other parts of the body.

Question 7

Malignant tumors

Answer 7

Malignant tumors are cancerous. Cells in these tumors can invade nearby tissues and spread to other parts of the body. The spread of cancer from one part of the body to another is called metastasis.