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"]
急性胆囊炎的病因有哪些?
女，51岁，上腹部隐痛不适，CT检查如图，可能的诊断是() ["A．胃癌","B．胃息肉","C．胃腺瘤","D．胃溃疡","E．胃间质瘤"]
直肠癌根治性手术有哪些常用术式?
女43岁上腹不适多年，体检行CT扫描如图，最可能的诊断为() ["A．胃癌","B．胃平滑肌瘤","C．胃平滑肌肉瘤","D．胃淋巴瘤","E．胃蛔虫团块"]
试述痔的临床表现.
