stage I

Definition of stage I adult non-Hodgkin lymphoma

stage I adult non-Hodgkin lymphoma

(... uh-dult non-HOJ-kin lim-FOH-muh)
Stage I is divided into stages I and IE. In stage I, cancer is found in one of the following places in the lymph system: (1) one or more lymph nodes in a group of lymph nodes; (2) Waldeyer’s ring; (3) thymus; or (4) spleen. In stage IE, cancer is found in one area outside the lymph system.

Source: NCI Dictionary of Cancer Terms