Li Ming needs a stamp his letter.[ ]
A. to
B. for
C. with
D. in
答案：B
肝内多发肿块MRITWI呈低信号，TWI为稍高信号，首先考虑（）
A.肝转移瘤
B.原发性肝细胞癌
C.肝海绵状血管瘤
D.肝硬化再生结节
E.肝囊肿
