International Classification of Diseases for Oncology

3.10 Meaning of “NOS” (not otherwise specified) and how it is used 10 3.11 Meaning of [OBS] (obsolete) and how it is used 10 3.12 The hematologic malignancies 10 3.13 Using the lymphoma and leukemia sections of ICD-O 14 4. Coding guidelines for topography and morphology 14 4.1 Summary of principal rules for using ICD-O, third edition 14 ................
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