一想到嗜铬细胞瘤一定要记得10%这个数值：10%的肿瘤是双侧的，10%发生于儿童，10%的肿瘤是恶性的。

Remember 10% when you think of a pheochromocytoma: 10% are bilateral, 10% are in children, 10% are malignant.

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目的：探讨双侧乳腺癌的临床特点。

Objective: To investigate the clinical characteristics of bilateral breast cancer.

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重视风险的双侧性质和风险收益平衡关系；

Double- side nature of risk and risk- return trade- off;

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重视风险的双侧性质和风险收益平衡关系；

Double- side nature of risk and risk- return trade- off;

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