NCCN Guidelines for Patients
: Non-Small Cell Lung Cancer
Part 9: Dictionary
A surgery done through a cut into the
chest along the breastbone.
The area of the chest between the
All health events and medications
taken to date.
The spread of cancer cells from the
first tumor to another body part.
A tool that uses lenses to see things
the eyes can’t.
Tests of changes in the instructions
within cells for making and controlling
A sticky, thick liquid that moisturizes or
Multiple primary tumors
One or more unrelated masses of
Use of a thin tool guided down the
mouth into the smallest airways of the
A silvery-white metal.
A small mass of tissue.
The treatment given before the main
treatment used to cure disease.
A mass of cancer cells that hasn’t
grown into another structure.
A small mass of tissue of low density.
A period of testing for cancer growth.
The finding of cancer cells in the
absence of a tumor.
A gas in the air that the body needs
The outer layer of the lining around
A small mass of tissue with areas of
low and high density.
Rating the extent of a tumor based on
tests after treatment.
A doctor who’s an expert in testing
cells to find disease.
Percutaneous needle biopsy
Insertion of a needle through the
skin into a mass to remove tissue for
A rating of one’s ability to do daily