Stage II adult non-Hodgkin lymphoma; drawing shows cancer in lymph node groups above and below the diaphragm. An inset shows a lymph node with a lymph vessel, an artery, and a vein. Lymphoma cells containing cancer are shown in the lymph node.
Stage II adult non-Hodgkin lymphoma. Cancer is found in two or more lymph node groups, and both are either above (a) or below (b) the diaphragm.