A non-metastasizing neoplasm arising from the wall of the colon. The disease is Monarch Disease Ontology entry MONDO_0002278 (benign colon neoplasm). Also known as: benign colon tumor, benign colon tumour, benign colonic neoplasm, benign colonic tumor, benign colonic tumour, benign neoplasm of colon, benign neoplasm of the colon, benign tumor of colon.