Chemoradiotherapy (CRT, CRTx, CT-RT) is the combination of chemotherapy and radiotherapy to treat cancer. Synonyms include radiochemotherapy (RCT, RCTx, RT-CT) and chemoradiation. It is a type of multimodal cancer therapy.
Chemoradiation can be concurrent (together) or sequential (one after the other).Older Patients with GI Cancers Don't Always Receive Tx
The chemotherapy component can be or include a radiosensitizing agent.
Chemoradiotherapy as neoadjuvant therapy before surgery has been shown to be effective in esophageal cancer.
References
Further reading
External links Chemotherapy and chemoradiotherapy for rectal cancer. (Macmillan/NHS)