Cancer of the gastrointestinal tract. Radiation therapy.
D000230:Adenocarcinoma / Q000188:drug therapy / Q000532:radiotherapy*; D002986:Clinical Trials as Topic; D005472:Fluorouracil / Q000627:therapeutic use; D006801:Humans; D009362:Neoplasm Metastasis; D009364:Neoplasm Recurrence, Local; D010919:Placebos; D011879:Radiotherapy Dosage; D012075:Remission, Spontaneous; D013274:Stomach Neoplasms / Q000188:drug therapy / Q000532:radiotherapy; D013997:Time Factors
D010919:Placebos; D005472:Fluorouracil