Stage I adult Hodgkin lymphoma; drawing shows cancer in one lymph node group above 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 I adult Hodgkin lymphoma. Cancer is found in one or more lymph nodes in one lymph node group. In stage IE (not shown), cancer is found outside the lymph nodes in one organ or area.