患者,男性,40岁。结喉两侧各有1个3cm×2cm×1cm,表面光滑,质地韧,无压痛,随吞咽上、下活动的肿物。为明确诊断,应首选的检查方法是
A 胸颈部X线片 B
血常规 C
血气分析 D
T<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/13755921_0.gif">、T<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/13755921_0_1.gif"> E
<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/13755921_0_2.gif">Ⅰ扫描