younger than 55 years

Definition of stage I papillary and follicular thyroid cancer (younger than 55 years)

stage I papillary and follicular thyroid cancer (younger than 55 years)

(... PA-pih-LAYR-ee ... fuh-LIH-kyoo-ler THY-royd KAN-ser ...)
The tumor is any size and cancer may have spread to nearby tissues and lymph nodes. Cancer has not spread to other parts of the body.

Source: NCI Dictionary of Cancer Terms