病例男 ,７７岁。憋气、咳痰４月余 ,近２月感纳差、乏力 ,无发热、胸痛。查体及实验室检查无异常。Ｘ线检查 :左右心缘旁可见双边影 ,沿心缘方向走行 ,位于两心缘内侧（图１）。ＣＴ检查 :后纵隔内心影后方可见巨大不规则疝囊 ,食道受压移位 ,位于降主动脉前方（图２）。上消 Case male, 77 years old. Hold your breath, expectoration in April more than the past February Feeling poor, fatigue, no fever, chest pain. Physical examination and laboratory tests were normal. X-ray examination: around the edge of the bilateral bilateral bilateral shadow, along the direction of the heart margin, located in the inner edge of both hearts (Figure 1). CT examination: Posterior mediastinum shadow visible large irregular hernia sac, esophageal pressure shift, located in front of the descending aorta (Figure 2). On the elimination