本文报告一例右心房壁血管肉瘤合并右心房内巨大血栓形成。患者女性，４８岁，以心悸气短、胸痛、浮肿为主诉就诊入院。查体：生命体征平稳，颜面及全身浮肿，口唇发绀，颈静脉怒张，心界叩诊扩大，心率８０次／ｍｉｎ，律齐，心音无低远，各瓣膜听诊区未闻及病理性杂音，... This article reports a case of right atrial wall angiosarcoma with massive thrombosis in the right atrium. The female patient, 48 years old, was admitted to the hospital with chief palpitations, shortness of breath, chest pain, and edema. Physical examination: stable vital signs, edema of the face and body, cyanosis of the lips, jugular vein engorgement, enlargement of the palpitations in the heart sector, a heart rate of 80 beats/min, a regularity, and a low heart sound, and no pathological murmurs were heard in each valve auscultation area. ...