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患者男，６８岁，于１９９９年５月１７日以剑突下不适４０ｄ为主诉入院。２年前曾撞伤胸部，入院体查局部压痛不明显，胸骨左缘第３、４肋间可闻ＳＭ ３／６级柔和杂音，术前心脏彩超提示前纵隔有一 ４．５ ｃｍ × ２．７ ｃｍ × ３．０ ｃｍ椭球形的回声肿块，压迫右室流出
Male patient, 68 years old, was admitted to hospital on May 17, 1999 with discomfort of the xiphoid 40d. Two years ago had a collision with the chest, admission tenderness was not obvious, the third intercostal SM on the left margin of the intercostal SM 3/6 soft murmur, preoperative color Doppler ultrasound before the mediastinal a 4.5 cm × 2. 7 cm × 3.0 cm ellipsoid echo mass, the right ventricular outflow pressure