#chemotherapy  the use of chemical agents to treat or control disease (or mental illness)
  supertype:  therapy  (medicine) the act of caring for someone (as by medication or remedial training etc.); "the quarterback is undergoing treatment for a knee injury"; "he tried every treatment the doctors suggested"; "heat therapy gave the best relief"
  subtype:  chrysotherapy  the use of chemicals containing gold for treating diseases (such as rheumatoid arthritis)

No statement uses or specializes chemotherapy; click here to add one.