Gastrointestinal lymphoma.
D004386:Duodenum / Q000601:surgery; D005260:Female; D005743:Gastrectomy; D005770:Gastrointestinal Neoplasms / Q000601:surgery*; D006801:Humans; D007583:Jejunum / Q000601:surgery; D008223:Lymphoma / Q000601:surgery*; D008297:Male; D008875:Middle Aged