试述颈段食管癌的临床表现。
参考答案：颈段食管癌的临床表现是：（1） 早期症状不明显，但在吞咽粗硬食物时可能有不同程度的不适感觉，包括咽下食物哽噎感，胸骨后烧灼样、针刺样或牵拉摩擦样疼痛。食物通过缓慢，有停滞感或异物感。（2） 中晚期食管癌的典型症状是进行性咽下困难。（3） 侵犯喉返神经，出现声音嘶哑。（4） 压迫颈交感神经节，产生Horner综合征。（5） 侵入气管可形成气管食管瘘。（6） 出现纵隔或锁骨上淋巴结转移。
| 从方框中选择单词，带入短文空格内，使短文意思正确、通顺，再将其适当形式填到相应的横线上。 （每词限用一次）。 | |
came to a crossroad. It had a "Slow" sign, so he slowed down 1______ he came to the main road, looked to both 2______ to see that nothing was coming, and then drove across without 3______ completely. At once he heard a police whistle (口哨声), so he 4______ his car to the side of the road and stopped. A policeman walked over to him with a notebook and 5______ in his hand and said, "You didn't stop at the crossing." "But the sign there doesn't say 'Stop'," 6______ Mr. Williams. "It just says 'Slow', and I did go slow." The policeman looked 7______ him, and a look of surprise came over his 8______. Then he 9______ his notebook and pencil away, scratched (搔) his head and said, "Well, sorry! I am in the 10______ street!" |