National Cancer Institute Thesaurus

Last uploaded: February 21, 2019
Preferred Name

Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma

ID

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C27911

ALT_DEFINITION

An indolent (slow-growing) cancer in which immature lymphocytes (white blood cells) are found in the blood and bone marrow and/or in the lymph nodes. Chronic lymphocytic leukemia (CLL) and small lymphocytic lymphoma (SLL) are the same disease, but in CLL cancer cells are found mostly in the blood and bone marrow. In SLL cancer cells are found mostly in the lymph nodes. Chronic lymphocytic leukemia/small lymphocytic lymphoma is a type of non-Hodgkin lymphoma.

code

C27911

DEFINITION

An indolent, mature B-cell neoplasm composed of small, round B-lymphocytes. When the bone marrow and peripheral blood are involved, the term chronic lymphocytic leukemia is used. The term small lymphocytic lymphoma is restricted to cases which do not show leukemic involvement of the bone marrow and peripheral blood.

FULL_SYN

CLL/SLL

ICD-O-3_Code

9823/3

label

Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma

Legacy_Concept_Name

Chronic_Lymphocytic_Leukemia_Small_Lymphocytic_Lymphoma

Neoplastic_Status

Malignant

Preferred_Name

Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma

prefixIRI

C27911

prefLabel

Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma

Semantic_Type

Neoplastic Process

UMLS_CUI

C1302547

subClassOf

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C27910

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http://purl.obolibrary.org/obo/DOID_6354 Human Disease Ontology 123 LOOM