关于胆管细胞癌，下列描述哪项不对() ["A．多数患者AFP阴性","B．肝硬化发生率比原发性肝癌高","C．局限性肝内胆管扩张","D．居肝脏原发性恶性肿瘤第二位","E．可有小的不规则钙化"]
爪形手()抬前臂时呈垂腕姿态()全上肢瘫痪() ["A．正中神经损伤","B．桡神经损伤","C．尺神经损伤","D．腋神经损伤","E．臂丛神经损伤"]
CT平扫，除下述哪种病变外，其余病变均可有钙化() ["A．肝脏黑色素瘤","B．肝内胆管结石","C．酒精性肝病","D．结肠癌肝转移","E．肝脏血吸虫病"]
精索鞘膜积液()腹股沟斜疝()隐睾() ["A．腹股沟肿物，平卧时消失，站立活动时出现","B．腹股沟肿物，质韧，边界清，活动度好，平卧不消失，压痛(+)","C．腹股沟肿物，呈梨形，囊状感，透光试验阳性","D．腹股沟肿物，卵圆形，质中等，活动可，患侧阴囊内未触及睾丸","E．腹股沟肿物，不规则形，质软，边界尚清，无压痛"]
CT平扫，下列肝占位中，哪种边缘最清晰() ["A．早期肝脓肿","B．原发性肝癌","C．局灶性脂肪肝","D．肝转移癌","E．肝血管瘤"]
脐疝()脐茸()腹裂()
