NCI Dictionary of Cancer Terms (2024)

FAQs

What is the NCI definition of cancer? ›

The National Cancer Institute (NCI) is the federal government's principal agency for cancer research and training. Established under the National Cancer Institute Act of 1937, NCI is part of the National Institutes of Health (NIH), one of 11 agencies that make up the Department of Health and Human Services (HHS).

Rare cancers are those that affect fewer than 40,000 people per year in the U.S. As a group, they make up just over a quarter of all cancers.

How common is epithelioid hemangioendothelioma? EHE is very rare, with only one in every one million people diagnosed with this cancer worldwide.

Three designations are recognized: Comprehensive Cancer Centers, Clinical Cancer Centers, and Basic Laboratory Cancer Centers.

(ser-VY-ver) One who remains alive and continues to function during and after overcoming a serious hardship or life-threatening disease. In cancer, a person is considered to be a survivor from the time of diagnosis until the end of life.

Most Dangerous Cancers Explained. Lung and bronchial cancer causes more deaths in the U.S. than any other type of cancer in both men and women. Although survival rates have increased over the years due to improved treatments, the outlook is still bleak.

Lung and bronchus cancer is responsible for the most deaths with 125,070 people expected to die from this disease. That is nearly three times the 53,010 deaths due to colorectal cancer, which is the second most common cause of cancer death. Pancreatic cancer is the third deadliest cancer, causing 51,750 deaths.

Signs of cancer with the lowest cancer survival rate

So far, pancreatic cancer is still the most feared cancer because of its very high mortality rate. The pancreas is an organ that plays an important role in the body, specifically in the process of digesting food.

Cancer is a disease caused when cells divide uncontrollably and spread into surrounding tissues. Cancer is caused by changes to DNA. Most cancer-causing DNA changes occur in sections of DNA called genes. These changes are also called genetic changes.

What is advanced cancer NCI? ›

Listen to pronunciation. (ad-VANST KAN-ser) A term that is often used to describe cancer that is unlikely to be cured.

A condition in which abnormal cells that look like cancer cells under a microscope are found only in the place where they first formed and haven't spread to nearby tissue.

Lung cancer is the most aggressive form of cancer. Smoking and tobacco use are the major causes of it. Low-dose CT scans, which can detect cancer earlier, have improved survival rates for those with lung cancer, even among heavy smokers.

Merkel cell carcinoma tends to grow fast and to spread quickly to other parts of your body. Treatment options for Merkel cell carcinoma often depend on whether the cancer has spread beyond the skin.

The Definition of Cancer

Cancer is a disease in which some of the body's cells grow uncontrollably and spread to other parts of the body.

Cancer refers to diseases in which abnormal cells divide out of control and are able to invade other tissues.

In carcinoma of unknown primary, the cancer cells that spread to other parts of the body are found. But the original tumor isn't found. This can happen if: The original cancer is too small to be detected by imaging tests.

The premise of the NCI method is that usual intake is equal to the probability of consumption on a given day times the average amount consumed on a "consumption day." The exact methods used for dietary components that are consumed nearly every day by nearly everyone differ slightly from those used for dietary ...