Sarcoidosis

Definition of sarcoidosis
National Cancer Institute

sarcoidosis

(SAR-koy-DOH-sis)
An inflammatory disease marked by the formation of granulomas (small nodules of immune cells) in the lungs, lymph nodes, and other organs. Sarcoidosis may be acute and go away by itself, or it may be chronic and progressive. Also called sarcoid.

Source: NCI Dictionary of Cancer Terms