The Aesculus genus (Buckeyes and Horse Chestnuts), comprises of nineteen species of deciduous and evergreen trees and shrubs native to the temperate northern hemisphere. Six species are native to North America and the rest are native to Eurasia. There are eight hybrids in the Aesculus genus.
Lymphoma is a group of cancers that affect the cells that play a role in the immune system and primarily represents cells involved in the lymphatic system of the body. 1  The lymphatic system is part of the immune system.  Lymph nodes are small collections of lymph tissue that occur throughout the body.
Hodgkin's Lymphoma. Hodgkin's lymphoma is a cancer that begins in part of the immune system (the lymph system). White blood cells called lymphocytes can become abnormal or increase in number and grow without control. They may form lumps of tissue called tumors, usually in the lymph nodes of the neck, armpits, or chest.