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Table 1 The staging criteria for SMZL

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).
  1. If the patient has fever, night sweats, and clinical manifestations of weight loss in the past 3 months, it is classified as class B; otherwise, it is class A