Right Upper Quadrant Pain: When Being in the "Fold" Means Double Trouble.
右上象限疼痛：当处于“折叠”意味着双重麻烦。
Two years later, he presents with right upper quadrant pain and weight loss. A CT scan shows multiple liver metastases.
两年后，出现右上腹疼痛和体重降低，CT显示多处肝转移病灶。
Though most persons with gallstones are asymptomatic, there may be episodes of acute cholecystitis marked by intense right upper quadrant pain.
虽然大多数胆石症病人无临床表现，然而胆囊炎急性发作可致右上腹痛。
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