@article{Zhang_Wei_Liu_Guo_2022, title={Primary Osteosarcoma of Left Atrial Appendage in a Patient with Rheumatic Heart Disease}, volume={25}, url={https://journal.hsforum.com/index.php/HSF/article/view/4749}, DOI={10.1532/hsf.4749}, abstractNote={<p class="p1"><span class="s1">Primary cardiac osteosarcoma is extremely rare, with all arising from the atrium, right ventricle, and cardiac valve, according to previous reports. We report a case of primary osteosarcoma of the left atrial appendage in a patient. We present a process of preoperative misdiagnosis, intraoperative confirmed diagnosis, and complete resection.</span></p>}, number={4}, journal={The Heart Surgery Forum}, author={Zhang, Dengshen and Wei, Shan and Liu, Daxing and Guo, Yingqiang}, year={2022}, month={Jul.}, pages={E571-E573} }