直肠损伤时最宜选用()横结肠游离部损伤最宜选用() ["A．乙状结肠造瘘","B．横结肠造瘘","C．盲肠造瘘","D．腹会阴直肠切除，乙状结肠永久性人工肛门","E．一期行肠切除肠吻合术"]
胃癌最常发生的转移途径() ["A．直接蔓延","B．血行转移","C．种植转移","D．淋巴转移","E．沿肠管转移"]
早期胃癌指() ["A．局限于胃窦部","B．局限于粘膜或粘膜下层","C．直径在2cm以内","D．尚无淋巴转移","E．尚未侵及浆膜层"]
胃癌在下列哪种情况下不能行根治性手术() ["A．肝总动脉淋巴结有转移时","B．腹腔动脉淋巴结有转移时","C．肝，腹膜，肠系膜广泛转移时","D．癌浸润到横结肠或脾脏时","E．肝左外叶局限性癌浸润时"]
弥漫型胃癌肉眼形态呈() ["A．息肉状","B．溃疡状","C．弥漫浸润","D．结节状","E．囊状"]
烧伤后常并发()脑外伤后常继发()
