What organizations marker is not a guarantee, but signifies that the item has been tested for fire, casualty, and electrical safety and has been judged to be safe for normal use

Ruth is 44 years old. at her medical checkup, her doctor notices that ruth's lymph nodes are enlarged. after some blood tests and a ct scan, ruth's doctor diagnoses her with ( ) , a cancer that typically starts in the lymphocytes and can spread to the bone marrow.