下列属于胃溃疡直接X线表现的是（） ["龛影","充盈缺损","皮革胃","黏膜纠集","胃内有大量液体"] 下列关于左心房增大的X线表现不包括（） ["双边像","双房影","四弓影","食管受压后移","左室段向下延伸"] 下列不符合肺气肿X线表现的是（） ["两肺透亮度增加","肋间隙增宽","肺纹理稀疏纤细","膈肌上升","肺体积膨大"] 后纵隔最常见的肿瘤是（） ["胸内甲状腺肿","胸腺瘤","支气管囊肿","神经源性肿瘤","畸胎瘤"] 心脏与大血管后前位摄片图像左侧缘自上而下对应的解剖结构是（） ["主动脉结节、肺动脉段、左心室","肺动脉段、主动脉结节、右心室","主动脉结节、肺动脉段、右心室","主动脉结节、左心房、左心室","上腔静脉、肺动脉段、左心室"] 下列表现不符合支气管肺癌X线表现的是（）