【名词&注释】
胃溃疡(gastric ulcer)、肺动脉(pulmonary artery)、肺栓塞(pulmonary embolism)、静脉曲张(varicose veins)、禁忌证(contraindication)、性溃疡(venereal ulcer)
[单选题]上消化道内镜检查的禁忌证(contraindication)是
A. 消化性溃疡(venereal ulcer)急性出血
B. 消化性溃疡(venereal ulcer)并发急性穿孔
C. 消化性溃疡(venereal ulcer)并发幽门梗阻
D. 胃溃疡疑有癌变
E. 消化性溃疡(venereal ulcer)药物治疗后疗效观察