GlossaryChemotherapy: The treatment of a cancer by chemicals.Tumor: An abnormal overgrowth of cells. Cancer: a group of diseases characterized by abnormal growth (neoplasm, tumor) and spread to other parts of the body (metastasism).Sarcoma: A connective tissue neoplasm, usually highly malignant, formed by proliferation of mesodermal cells. Published on Apr 20, 2017Last Updated on Jun 10, 2017