Leukemia, Chronic Lymphocytic 2, also known as leukemia, chronic lymphocytic, susceptibility to, 2, is related to chronic lymphocytic leukemia/small lymphocytic lymphoma and b-cell non-hodgkin lymphoma, and has symptoms including angina pectoris, chest pain and edema. An important gene associated with Leukemia, Chronic Lymphocytic 2 is CLLS2 (Disrupted In B-Cell Neoplasia), and among its related pathways/superpathways are Hematopoietic Stem Cells and Lineage-specific Markers and Interleukin-4 and Interleukin-13 signaling. The drugs Acalabrutinib and Valganciclovir have been mentioned in the context of this disorder. Affiliated tissues include bone marrow and t cells, and related phenotypes are chronic lymphatic leukemia and cellular