The Barbara Ann Karmanos Cancer Institute , along with cancer centers and other organizations across the nation, recognizes and promotes awareness of three cancer types during September: Blood Cancer Gynecologic Cancer Prostate Cancer Thyroid Cancer Blood Cancer Awareness Month Blood cancers include leukemia, lymphoma and myeloma. They occur in blood-forming cells, the bone marrow and the lymphatic system, which is a part of the immune system. According to the Leukemia and Lymphoma Society (LLS), ...