A non-metastasizing neoplasm that arises from the soft tissue. The disease is benign soft tissue neoplasm (MONDO_0044335). Also known as: benign neoplasm of soft tissue, benign neoplasm of the soft tissue, benign soft tissue tumor, benign soft tissue tumour, benign tumor of soft tissue, benign tumor of the soft tissue, benign tumour of soft tissue, benign tumour of the soft tissue.