NCI Dictionary of Cancer Terms

  • Resize font
  • Print
  • Email
  • Facebook
  • Twitter
  • Google+
  • Pinterest

The NCI Dictionary of Cancer Terms features 7,800 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

stage IV non-small cell lung cancer
(... sel lung KAN-ser)
The tumor may be any size and cancer may have spread to lymph nodes. One or more of the following is true: (1) there are one or more tumors in both lungs; (2) cancer is found in fluid around the lungs or the heart; and/or (3) cancer has spread to other parts of the body, such as the brain, liver, adrenal glands, kidneys, or bone.

EnlargeStage IV non-small cell lung cancer. Drawing shows other parts of the body where lung cancer may  spread, including the other lung, the brain, lymph nodes, adrenal gland, kidney, liver, and bone. Inset shows cancer spreading through the blood and lymph nodes to other parts of the body.

Stage IV non-small cell lung cancer. The cancer has spread to the other lung, and/or to lymph nodes, fluid around the lungs or heart, and/or other places in the body, such as the brain, liver, adrenal glands, kidneys, or bones.