Mesenteric ischemia.
D000328:Adult; D005260:Female; D006801:Humans; D007421:Intestine, Small / Q000098:blood supply*; D007511:Ischemia / Q000209:etiology*; D008228:Lymphoma, Non-Hodgkin / Q000532:radiotherapy; D008297:Male; D008641:Mesenteric Vascular Occlusion / Q000209:etiology*; D008642:Mesenteric Veins; D011878:Radiotherapy / Q000009:adverse effects*; D013927:Thrombosis / Q000209:etiology*