=====Chemoradiotherapy==== Chemoradiotherapy (CRT, CRTx) is the combination of [[chemotherapy]] and [[radiotherapy]] to treat cancer. Synonyms include radiochemotherapy (RCTx, RT-CT) and chemoradiation. Chemoradiotherapy as neoadjuvant therapy before surgery has been shown to be effective in various cancers. Treatment that combines [[chemotherapy]] with [[radiation therapy]]. Also called chemoradiotherapy.