Parathyroid Carcinoma has a PD-L1 Expression, and Share with Atypical Neoplasms an Abundant Intratumoral Macrophagic Infiltration - A Short Commentary

Angelica M. Silva-Figueroa^1,2* and Nancy D. Perrier³

¹University Finis Terrae, Santiago, Chile

²Department of Head and Neck surgery, Hospital Barros Luco-Trudeau, Universidad de Chile, Santiago, Chile

³Department of Surgical Oncology, M. D. Anderson Cancer Center, University of Texas, Houston, Texas, USA

^*Corresponding Author: Angelica M. Silva-Figueroa, Department of Head and Neck surgery, Universidad de Chile, Hospital Barros Luco-Trudeau, Santiago, Chile, Tel: +56982291383 Email: