stage I childhood non-Hodgkin lymphoma

Definition of stage I childhood non-Hodgkin lymphoma
National Cancer Institute

stage I childhood non-Hodgkin lymphoma

(... non-HOJ-kin lim-FOH-muh)
Cancer is found (1) in one group of lymph nodes; or (2) in one area outside the lymph nodes. No cancer is found in the abdomen or mediastinum (area between the lungs).

Source: NCI Dictionary of Cancer Terms