复发
潜伏期
男，36岁，腹胀、消化不良、消瘦、中上腹痛，影像检查如下图，最可能的诊断是() ["A．胃间质肉瘤并肝转移","B．胃间质瘤并原发性肝癌","C．内胚窦瘤肝转移","D．胃淋巴瘤伴原发性肝癌","E．胃间质瘤并肝血管瘤"]
女，42岁，腹痛、黑便1周，CT扫描见胃窦部圆形块影，最可能的诊断是() ["A．胃窦炎","B．胃癌","C．胃淋巴瘤","D．胃窦神经纤维瘤","E．胃内异物"]
典型伤寒可见()典型登革热可见()典型布氏菌病可见() ["A．稽留热","B．弛张热","C．间歇热","D．回归热","E．马鞍热"]
流行过程
