Primary neoplasms of the small bowel.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002277:Carcinoma / Q000473:pathology; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007414:Intestinal Neoplasms / Q000473:pathology; D007421:Intestine, Small; D008223:Lymphoma / Q000473:pathology; D008297:Male; D008875:Middle Aged