CASTELLA-CHIN, Madeline; CANTERAS, Kayla; CULLOM, Christopher. Giant Left Atrial Pleomorphic Sarcoma With Echocardiographic Characteristics Mimicking a Myxoma. Journal of Medical Cases, [S. l.], v. 17, n. 2, p. 41–47, 2026. DOI: 10.14740/jmc5212. Disponível em: https://jmc.elmerpub.com/index.php/jmc/article/view/5212.. Acesso em: 23 jan. 2026.