chronic lymphocytic leukemia

initialism: CLL
https://doi.org/10.1351/goldbook.13007
B cell tumor found in the blood.
Note: The great majority of these tumors express CD5 and unmutated variable (V) genes and are therefore thought to arise from B-1 cells.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1144 [Terms] [Paper]