A benign neoplasm that involves the prostate gland. The disease is Monarch Disease Ontology term MONDO_0021510 (benign neoplasm of prostate). Also known as: benign neoplasm of the prostate, benign prostate neoplasm, benign prostate tumor, benign prostate tumour, benign prostatic neoplasm, benign tumor of prostate, benign tumor of the prostate, benign tumour of prostate.