【名词&注释】
纤维化(fibrosis)、活血祛瘀(activating blood removing stasis)、天冬氨酸氨基转移酶(aspartate aminotransferase)、胃肠道(gastrointestinal)、毛细血管(capillary)、肺动脉狭窄(pulmonary stenosis)、右心室流出道(right ventricular outflow tract)、肺动脉瓣(pulmonary valve)、双腔右心室(double-chambered right ventricle)、主肺动脉(main pulmonary artery)
[单选题]下列疾病中不属于右心室流出道(right ventricular outflow tract)及肺动脉狭窄的是
A. 双腔右心室(double-chambered right ventricle)
B. 肺动脉瓣(pulmonary valve)狭窄
C. 右心室漏斗部狭窄
D. 主肺动脉(main pulmonary artery)及其分支狭窄
E. 右心室致密化不全