Ideas in this flowchart

• Cancer comprises more than one hundred diseases.
• More than one hundred diseases are classified as different forms of cancer.
• All forms of cancer are characterized by the uncontrolled growth of abnormal cells.
• Cancer is triggered by mutations in a cell’s genetic material.
• The genetic changes may be inherited or result from exposure to carcinogens.
• Some mutations that trigger cancer may be inherited.
• Exposure to carcinogens may cause mutations linked to cancer.
• Carcinogens are agents that can cause cancer.
• Carcinogens include chemicals, viruses, radiation treatments, pollution, and other substances or exposures known or suspected to cause cancer.
• The National Institutes of Health has classified fifty-four different compounds as known cancer-c