title: Primary lymphoma of the gastrointestinal tract.
mesh_terms: D000328:Adult; D000368:Aged; D002430:Cecal Neoplasms / Q000532:radiotherapy; D004938:Esophageal Neoplasms / Q000532:radiotherapy; D005260:Female; D005770:Gastrointestinal Neoplasms / Q000401:mortality / Q000532:radiotherapy*; D006689:Hodgkin Disease / Q000532:radiotherapy; D006801:Humans; D007414:Intestinal Neoplasms / Q000532:radiotherapy; D008223:Lymphoma / Q000532:radiotherapy*; D016403:Lymphoma, Large B-Cell, Diffuse / Q000532:radiotherapy; D008228:Lymphoma, Non-Hodgkin / Q000532:radiotherapy; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D011879:Radiotherapy Dosage; D012004:Rectal Neoplasms / Q000532:radiotherapy; D013274:Stomach Neoplasms / Q000532:radiotherapy