small intestine cancer (MONDO_0000956) is a primary or metastatic malignant neoplasm involving the small intestine. Also known as: cancer of small intestine, malignant neoplasm of small bowel, malignant neoplasm of small intestine, malignant neoplasm of the small bowel, malignant neoplasm of the small intestine, malignant small bowel neoplasm, malignant small bowel tumor, malignant small bowel tumour.