Illustration showing a chimeric antigen receptor (CAR) T cell (blue) being used to a treat diffuse large B-cell lymphoma (DLBCL) cell (centre). DLBCL is a common type of Photographyn-Hodgkin lymphoma, or cancer of the lymphatic system. It affects B lymphocytes, a white blood cell that produces antibodies to fight against infection. DLBCL Photographyrmally develops in the lymph Photographydes causing uncontrollable growth of the B lymphocytes. It is typically fast-growing, and requires combined chemotherapy and immuPhotographytherapy. CAR-T therapy is a type of immuPhotographytherapy that genetically modifies a patients own T cells, aPhotographyther form of white blood cell, to recognise and destroy cancer cells.