Stage II AIDS-related lymphoma is divided into stages II and IIE. In stage II, cancer is found in two or more lymph node groups on the same side of the diaphragm (the muscle below the lungs and heart that separates the chest from the abdomen). In stage IIE, cancer is found in one area of one organ or tissue that is not part of the lymph system and in nearby lymph nodes. Cancer may also be found in other lymph node groups on the same side of the diaphragm.