Cutaneous metastasis of extraskeletal osteosarcoma arising in the mediastinum.
Lee WJ, Lee DW, Chang SE, Lee MW, Choi JH, Moon KC, Koh JK. Cutaneous metastasis of extraskeletal osteosarcoma arising in the mediastinum. Am J Dermatopathol. 2008 Dec; 30(6):629-31.