MONJUVI is not chemotherapy, which makes it different from some of the other DLBCL treatments you may have taken or read about. MONJUVI is targeted immunotherapy, which means it helps the immune system find and kill cancerous cells. Because of the way MONJUVI works with your immune system, treatment is given on a long-term basis to help you achieve and maintain control of your disease. B cells are part of a person's immune system. They help your body fight infection. In DLBCL, B cells grow out of control, both in size and number. MONJUVI targets cancerous B cells directly and activates your immune system to fight relapsed or refractory DLBCL. MONJUVI can also affect healthy cells. About MONJUVI