Giant Pilomatrix Carcinoma of the Thorax: An Uncommon and Clinically Misdiagnosed Tumor oleh Eirini Nikolaidou, MD, MSc, Sophia Papadopoulou, MD, PhD, Zoi Tzimorota, MD, Argiro Pipinia, MD, Panagiota Stampou, MD, Eleni Karagergou, MD, PhD