From: Splenic marginal zone lymphoma: a case report and literature review
Stage І | Tumors were confined to the spleen only; no metastatic lesions were found in the splenic lymph nodes and outside the spleen. |
Stage ІІ | The tumor involved in the splenic lymph nodes but no other parts of the lymph nodes or the external organs of the lymphatic system. |
Stage III | Lymph node involvement outside the spleen or extra-lymphatic organs and their associated lymph nodes (liver and bone marrow). |