患者,男,56岁,有慢性肝炎史,食管钡餐示:食管下段见多个结节样充盈缺损,边缘不整,管壁蠕动消失。上述病变主要应和下述哪种疾病鉴别()
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
免费的网站请分享给朋友吧