Role of radiation therapy in the management of gastrointestinal malignancies.
D000230:Adenocarcinoma / Q000532:radiotherapy; D002294:Carcinoma, Squamous Cell / Q000532:radiotherapy; D003131:Combined Modality Therapy; D005770:Gastrointestinal Neoplasms / Q000532:radiotherapy*; D006801:Humans; D008207:Lymphatic Metastasis; D008223:Lymphoma / Q000532:radiotherapy