BACKGROUND: Benign and malignant pancreatic neuroendocrine tumors (PNETs) are rare, and long-term outcome is generally poor without surgical intervention.

背景：良恶性的胰腺神经内分泌肿瘤(PNETs)均罕见，如不行手术治疗，则其远期效果欠佳。

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BACKGROUND: Benign and malignant pancreatic neuroendocrine tumors (PNETs) are rare, and long-term outcome is generally poor without surgical intervention.

背景：良恶性的胰腺神经内分泌肿瘤(PNETs)均罕见，如不行手术治疗，则其远期效果欠佳。

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