Small Lymphocytic Lymphoma, also known as SLL, is a type of cancer affecting the lymphocytes or white blood cells. It is a slow-growing lymphoma and mainly affects older adults. Some of the synonyms for SLL include B-cell lymphoma, CLL/SLL, lymphocytic lymphoma, and low-grade B-cell lymphoma. Other terms used to describe this cancer include chronic lymphocytic leukemia (CLL) and prolymphocytic leukemia (PLL). SLL is often diagnosed through blood tests, bone marrow biopsies, or imaging tests. Treatment options often include chemotherapy, radiation therapy, and targeted therapies like monoclonal antibodies. The prognosis for SLL varies, and it is important to undergo regular check-ups to monitor its progression.