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患者55岁,5年前无明显诱因出现右上腹疼痛,呈间歇性。疼痛时无恶心、呕吐,无便血。
Patients 55 years old, 5 years ago, no obvious incentive to appear right upper quadrant pain, was intermittent. No nausea, vomiting, no blood in the stool when painful.