【名词&注释】
肺动脉(pulmonary artery)、弥漫性(diffuse)、化脓性胆囊炎(suppurative cholecystitis)、慢性精囊炎(chronic seminal vesiculitis)、椭圆形(ellipse)、右心房(right atrium)、不明显(not obvious)、胆总管梗阻(bile duct obstruction)、肺静脉异位(anomalous pulmonary venous)、肺静脉回流(pulmonary venous connection)
[单选题]心内型肺静脉异位(anomalous pulmonary venous)引流在超声上主要表现是
A. 肺静脉回流(pulmonary venous connection)到下腔静脉
B. 肺静脉回流(pulmonary venous connection)到上腔静脉
C. 肺静脉直接回流到主动脉
D. 肺静脉回流(pulmonary venous connection)到冠状窦
E. 肺静脉直接回流到肺动脉