夜间上腹痛和背部放射痛突出()左侧卧位上腹痛可缓解() ["A．促胃液素瘤","B．胃粘膜脱垂","C．十二指肠球后溃疡","D．胃癌","E．慢性胃炎"]
胃体萎缩性胃炎()卓-艾综合征() ["A．血清促胃液素明显升高","B．血清壁细胞抗体阳性","C．血清G细胞抗体阳性","D．血清CEA明显升高","E．胃酸中度升高"]
胃癌()食管静脉曲张破裂()溃疡性结肠炎() ["A．大量呕血、柏油样便","B．粪隐血持续阳性","C．大便后滴鲜血","D．剧烈呕吐后呕鲜血","E．粘液血便伴里急后重"]
癌灶直径≤1cm()局限于粘膜或粘膜下层的胃癌() ["A．早期胃癌","B．小胃癌","C．微小胃癌","D．进展期胃癌","E．晚期胃癌"]
如何鉴别良性溃疡与恶性溃疡?
下列疾病引起的症状是：
胃癌()消化性溃疡()
