Classification of Cancer Types

The term "cancer" is general, in that it represents a large group of related diseases that arise from neoplasms. A neoplasm is classified by the type of tissue in which it arises and the stage to which it has progressed. Neoplasms are also called tumors. Not all tumors are cancerous. A tumor that grows in one place and does not invade surrounding tissue is called benign. In contrast, invasive tumors are called malignant. These are cancerous.

ESTIMATED NEW CANCER CASES AND DEATHS IN THE UNITED STATES 2000

Site of Origin New Cases* Deaths*

ESTIMATED NEW CANCER CASES AND DEATHS IN THE UNITED STATES 2000

Site of Origin New Cases* Deaths*

Male

Female

Male

Female

Breast

1,400

182,800

400

40,800

Colorectal

63,600

66,600

27,800

28,500

Esophagus

9,200

3,100

9,200

2,900

Kidney & Bladder

57,100

27,300

15,400

8,700

Leukemia

16,900

13,900

12,100

9,600

Liver

10,000

5,300

8,500

5,300

Lung

89,500

74,600

89,300

67,600

Lymphoid

35,900

26,400

14,400

13,100

Ovary

23,100

14,000

Pancreas

13,700

14,600

13,700

14,500

Prostate

180,400

31,900

Skin

34,100

22,800

6,000

3,600

Stomach

13,400

8,100

7,600

5,400

Testis

6,900

300

Uterine

48,900

11,100

*(the American Cancer Society's Clinical Oncology, Lenhard R.E., Osteen R.T., Gansler T., 2001)

*(the American Cancer Society's Clinical Oncology, Lenhard R.E., Osteen R.T., Gansler T., 2001)

Estimated new cancer cases and deaths in the United States in 2000. Adapted from Lenherd, 2001.

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