【名词&注释】
肠梗阻(intestinal obstruction)、肾功能(renal function)、继发性(secondary)、疾病相关(disease-related)、胃溃疡穿孔(perforation of gastric ulcer)
[单选题]患者,男,65岁。已确诊为原发性肝癌晚期,无明显诱因突发右上腹疼痛,面色苍白,大汗。应首先考虑
A. 胃溃疡穿孔(perforation of gastric ulcer)
B. 十二指肠溃疡穿孔
C. 肝癌结节破裂
D. 胰腺炎
E. 胆绞痛