问题
单项选择题 共用题干题
男性，65岁。1年前开始出现进食时偶发哽噎感，胸骨后刺痛，进食后症状消失，近3个月来自觉吞咽困难，明显消瘦，乏力。
入院第二天行纤维胃十二指肠镜检查，食管可见一隆起溃疡性病变，约环管腔一周，考虑为食管癌，并取组织5块，食管癌主要好发于食管的（）。
A.颈段
B.上段
C.中段
D.下段
E.腹段
答案
参考答案：C
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男性，65岁。1年前开始出现进食时偶发哽噎感，胸骨后刺痛，进食后症状消失，近3个月来自觉吞咽困难，明显消瘦，乏力。
入院第二天行纤维胃十二指肠镜检查，食管可见一隆起溃疡性病变，约环管腔一周，考虑为食管癌，并取组织5块，食管癌主要好发于食管的（）。
A.颈段
B.上段
C.中段
D.下段
E.腹段
参考答案：C
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| It's Wednesday afternoon. School is 1 . The students are putting their books, pencil-boxes 2 their school bags. The teacher comes in and says to the students, "Don't go, children. I have 3 to tell you. Listen to me. Tomorrow is 4 . There is going to 5 a parents' meeting in our school. The meeting begins at nine o'clock in the morning. 6 are your school reports and letters to your parents. 7 them back home. Give your parents the letters and 8 them your school reports. Ask them 9 to the meeting tomorrow, because I'm 10 say something about next term. | ||||
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