Defense Trade Cooperation Treaties & Resources. This page provides information intended to assist in using the Defense Trade Cooperation Treaties the U.S. has signed with the United Kingdom and Australia. The information provided here supports the users of the exemptions to the International Traffic in Arms Regulations (ITAR) created pursuant to the Treaties.
Definition of Lung Nodules. A lung nodule is defined as a âspotâ on the lung that is three centimeters (about 1.5 inches) in diameter or less. If an abnormality is seen on an x-ray of the lungs that is larger than three centimeters, it is considered a âlung massâ instead of a nodule and is more likely to be cancerous.
Smokers are at a serious risk of developing lung nodules. A lung nodule is a mass of tissue located in the lungs. Cancerous lung nodules may be removed through a surgical procedure. Most lung nodules aren't found unless a person has a chest x-ray.