Definition

Cancer (1) has spread throughout one or more organs outside the lymph system and may be in lymph nodes near those organs; or (2) is found in two or more groups of lymph nodes that are on the same side of the diaphragm and in an organ that is outside the lymph system and not near the affected lymph nodes; or (3) is found in groups of lymph nodes on both sides of the diaphragm and in any organ that is outside the lymph system; or (4) has spread to the lungs, liver, or bone marrow from areas far away.