colorectal neoplasm MEDGEN:3171 colorectal tumor tumor of colorectum tumour of colorectum colorectum neoplasm neoplasm of the large bowel NCIT:C2956 tumor of large bowel tumor of the large bowel colorectum tumour neoplasm of colorectum EFO:0004142 tumour of the large bowel colorectum tumor neoplasm of large bowel large intestine neoplasm large bowel neoplasm large bowel tumour MESH:D015179 colorectal tumour large intestine tumor colorectum neoplasm (disease) large bowel tumor large intestine tumour large intestinal neoplasm MONDO:0021236 UMLS:C0009404 A benign or malignant neoplasm that affects the colon or rectum. Representative examples of benign neoplasms include lipoma and leiomyoma. Representative examples of malignant neoplasms include carcinoma, lymphoma, and sarcoma. Colorectal adenomas always exhibit epithelial dysplasia and are considered premalignant neoplasms. colorectal neoplasm tumour of large bowel intestinal neoplasm large intestine disorder