Pathology Tumor cells in chronic lymphocytic leukemia or small lymphoblastic lymphoma (CLL/SLL) arisefrom which of the following? A Mature B cell B Naive B cell C Centrocytes of germinal center D Progenitor B-cell 💡 Explanation Tumor cells in chronic lymphocytic leukemia or small lymphoblastic lymphoma (CLL/SLL) arisefrom which of the following? ✓ Correct Answer: B. Naive B cell