HSV: Acronym for Herpes Simplex Virus, which is a virus causing contagious sores, most often around the mouth or on the genitals.
Leukemia: Cancer of the blood cells, commonly called blood cancer.
Lipoma: Harmless growths of fatty tissue.
Lymph Nodes: Small bean-shaped structures of the immune system present throughout the body that traps pathogens and helps fight off infections.
Lymphoma: Cancer of the lymphatic system.
