NF1 and hereditary leiomyomatosis and renal cell cancer: Common heritable cancer predisposition syndromes associated with sarcomas include Familial Adenomatous Polyposis (FAP), Carney–Stratakis, Hereditary Retinoblastoma (RB1), Li–Fraumeni Syndrome, Neurofibromatosis (NF1), Werner Syndrome, Tuberous Sclerosis, Hereditary Leiomyomatosis and renal cancer (HLRCC) [13], Ollier disease, and Maffucci’s syndrome [14].