Bone marrow-blood components -- Normal blood and marrow -- The lymphatic-system -- The lymphomas -- Causes and risk factors -- Hodgkin lymphoma -- Symptoms and signs -- Diagnosis -- Staging -- Treatment -- Course and outcome -- Non-Hodgkin lymphoma -- Symptoms and signs -- Diagnosis -- Staging -- Treatment -- Side effects of treatment Hodgkin and non-Hodgkin lymphoma -- Social and emotional aspects -- The future -- Glossary -- Further readings.