A desmoid tumor (DT) is a benign, locally invasive soft tissue tumor associated with a high recurrence rate but with no metastatic potential. The disease is desmoid tumor (MONDO_0007608, a Monarch Disease Ontology id). Also known as: aggressive fibromatosis, deep fibromatosis, deep fibromatosis/desmoid tumor, deep fibromatosis/desmoid tumour, desmoid fibromatosis, desmoid type fibromatosis, desmoid-type fibromatosis.