NAVLE（北美执业兽医考题）Day 384

Q1:If a mass appears in the lungs on a right lateral radiograph but not on a left lateral radiograph, where is the mass located?如果你在一张胸腔右侧位X光片中能看到一个肿块，而左侧位片中却不可见，那么这个肿块位于什么位置？Find out the answer by clicking on one of the listed choices. Good luck!点击列出的选项找出答案，祝大家好运