手术取出结石后，有时胆结石又会再发，往往给治疗带来一定的困难。
After the operation takes out stone, sometimes gall-stone is met again reappearance, often bring certain difficulty to cure.
这就给临床治疗带来了困难。
These changes bring difficulty to the clinical treatment of ca.
慢性胰腺炎发病率不断攀高，但由于其确切的病因和发病机制尚不清楚，给治疗带来较大困难。
The incidence of chronic pancreatitis (CP) is increasing all over the world. However, it is rather difficult to treat it because its etiological factor and pathogenesis are still unclear.
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