患者　女,60岁。既往有高血压及慢性支气管炎病史。体检、实验室检查无异常。Ｘ线检查:胸片及胸透发现右心膈角处一约6.5ｃｍ×5.0ｃｍ大小之卵圆形阴影,密度中等、均匀,边缘光滑(图1)。侧位肿物居前心膈角区,透视下其形态随深呼吸运动而改变,可见传导性搏动,多轴位观察肿物与 Female patient, 60 years old. Past history of hypertension and chronic bronchitis. Physical examination, laboratory tests without exception. X-ray examination: chest X-ray and chest X-ray found at the right ventricular diaphragms a size of oval-shaped shadow of about 6.5cm × 5.0cm, medium density, uniform, smooth edges (Figure 1). Lateral tumor in front of phrenic angle area, under the perspective of its morphology with deep breathing changes, showing the conductivity of pulsatile, multi-axial observation of mass and