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"]
慢性溃疡性结肠炎的特点包括() ["A．病变可累及结肠各段","B．不易发生癌变","C．黏膜隐窝小脓肿","D．肠壁形成较大溃疡","E．易纤维性修复"]
食管癌的早期症状为()食管癌的典型症状为() ["A．进食时呛咳","B．进食时有哽噎感","C．进行性吞咽困难","D．进食后呕吐","E．进食后胸膜痛"]
早期食道癌的特点是() ["A．多为黏膜内癌","B．钡餐检查基本正常","C．病变局限、面积小","D．癌组织未侵犯肌层","E．无淋巴结转移"]
关于贲门失弛缓症，下列哪项是不正确的() ["A．又称贲门痉挛或巨食管","B．长期食物淤积，可在少数病人诱发癌变","C．多见于青壮年，偶见于儿童","D．如食管高度扩大，食管吞钡X线检查可见屈曲呈“C”型","E．手术治疗通常采用食管下段贲门肌层切开术"]
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()
