Benign and malignant tumors of the small intestine.
D004379:Duodenal Neoplasms; D006801:Humans; D007414:Intestinal Neoplasms; D007421:Intestine, Small; D007422:Intestines; D009369:Neoplasms
DUODENAL NEOPLASMS; INTESTINAL NEOPLASMS; INTESTINE, SMALL