This document provides an overview of the lymphatic/hematopoetic system, including lymph node examination, signs of lymphadenopathy, and the spleen. It also discusses signs and symptoms of anemia, including those related to blood loss, hemolysis, deficiencies, and decreased production. Finally, it covers signs and symptoms of bleeding and coagulation disorders, distinguishing between those seen with low platelets versus coagulation factors. The key signs and symptoms are painless enlarged lymph nodes, fatigue, weakness, and bleeding or bruising.