男，36岁，确诊为食管癌，吞钡X线片示食管中下段长6cm充盈缺损，病人可进半流质饮食，白细胞总数为8.5×10/L。其治疗应为()女，66岁，进行性吞咽困难半年，食管吞钡X线钡餐检查示颈段食管长5cm充盈缺损，左锁骨上窝有2枚肿大淋巴结，粘连固定，病理学为转移癌。其治疗应为()男，50岁，进行性吞咽困难3月余，食管吞钡X线片示食管中段有6cm长充盈缺损。食管镜活检报告为食管癌，锁骨上窝无肿大淋巴结，其余检查未发现异常。其治疗应() ["A．手术治疗","B．放射治疗","C．术前放疗，放疗后3周内手术","D．化学疗法","E．中医中药治疗"]
慢性溃疡性结肠炎的合并症有() ["A．肝脓肿","B．腹膜炎","C．黏液囊肿","D．结肠周围脓肿","E．中毒性肠麻痹"]
X线检查示食管下段呈鸟嘴样改变()X线检查示食管粘膜呈串珠样改变()X线检查示食管粘膜有断裂()X线检查示有充盈缺损，但粘膜光滑()X线检查示龛影() ["A．食管静脉曲张","B．贲门失弛缓症","C．食管憩室","D．食管癌","E．食管平滑肌瘤"]
梗阻症状出现较晚，造影有龛影()钡餐造影贲门部呈鸟嘴状狭窄()向腔内生长，呈扁平突出肿块() ["A．蕈伞型食管癌","B．溃疡型食管癌","C．缩窄型食管癌","D．贲门失弛缓症","E．食管良性狭窄"]
食管癌较多见于()食管癌容易累及气管的部位是() ["A．颈段食管","B．上段食管","C．中段食管","D．下段食管","E．膈下食管"]
食管癌的早期症状为()食管癌的典型症状为()
