[Translated article] Dermatofibrosarcoma Protuberans: Hospital Casuistry and Comparative Analysis in the Management of This Entity by the Dermatology Unit Compared to Other Units - M. Viedma-Martínez; J.F. Millán-Cayetano; C. Grassi-García; M. Linares-Barrios (Actas Dermo-Sifiliográficas)