The genus Aesculus comprises 13-19 species of woody Trees and Shrubs native to the temperate northern hemisphere (with 6 species native to North America and 7-13 species native to Eurasia). There are also several hybrids.
Lymphoma is a form of cancer that affects the immune system-specifically, it is a cancer of immune cells called lymphocytes, a type of white blood cell. There are two broad types of lymphoma and many subtypes. The two types of lymphoma are described as: Hodgkin's or non-Hodgkin's.
Here are some key points about lymphoma. More detail and supporting information is in the body of this article. 1  Lymphoma is cancer that develops in the lymph nodes and lymphatic system. 2  The two main types of lymphoma are non-Hodgkin's (about 90% of cases) and Hodgkin's (about 10%).