男性,57岁,因胃癌行胃癌根治术。术后出现顽固性呃逆,首先考虑().
A.手术造成膈神经损伤
B.膈下感染
C.粘连引起胃扭转
D.腹膜后血肿刺激腹腔神经丛
E.术后肠粘连
参考答案:B
花费
If your baby is losing weight, you should()your doctor promptly.
A.advocate
B.consult
C.enquire
D.investigate