早期食管癌的X线表现不包括()
A.食管下端呈光滑的鸟嘴状狭窄
B.局限性黏膜皱襞增粗和断裂
C.局限性管壁僵硬
D.局限、小的充盈缺损
E.小龛影
参考答案:A
It's today. It's a good day to take a walk.[ ]
A. temble
B. cold
C. sunny
静脉角