A non-metastasizing neoplasm that arises from the breast parenchyma in males. The disease is MONDO_0021528 (benign neoplasm of male breast). Also known as: benign Male breast neoplasm, benign Male breast tumor, benign Male breast tumour, benign neoplasm of the Male breast, benign tumor of Male breast, benign tumor of the Male breast, benign tumour of Male breast, benign tumour of the Male breast.