Özkaynak, B., Kayalar, N., Mert, B., Sönmez, S. and Erentuğ, V. 2013. Left Atrial Leiomyosarcoma Extending into the Posterior Mediastinum and Mimicking a Left Atrial Myxoma. The Heart Surgery Forum. 16, 6 (Dec. 2013), E309-E312. DOI:https://doi.org/10.1532/HSF98.2013203.