LYP: Large pleomorphic and anaplastic tumor cells intermingled with small lymphocytes, eosinophils, and histiocytes (hematoxylin and eosin, original magnification ×200). Histologic photomicrograph was captured using a digital camera (AxioCam MRc5; Zeiss) mounted on an Olympus microscope (BX45; Olympus). Objective lens: 400×/0.75 NA. Imaging software: Axio Vision Release 4.8.2 (Zeiss) and Adobe Photoshop Version 8.0 (Adobe Systems).