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tumor – n. a mass of tissue found in or on the body that is made up of abnormal cells
immune system – n. the system that protects your body from diseases and infections
patient – n. a person who receives medical care or treatment
critical – adj. extremely important
chemotherapy – n. medical : the use of chemicals to treat or control a disease (such as cancer)
radiation – n. medical : the use of controlled amounts of radiation for the treatment of diseases (such as cancer)
herpes – n. a disease caused by a virus that causes painful spots on the skin
foundation – n. an organization that is created and supported with money that people give in order to do something that helps society
devastating – adj. causing extreme emotional pain
therapy – n. the treatment of physical or mental illnesses
