Snow also was diagnosed originally with colorectal cancer before age 50, another common trait of inherited tumors, says Neal Meropol of the Fox-Chase Cancer Center in Philadelphia.

• 斯诺第一次确诊为肠癌是在50岁之前，这是遗传性肿瘤的另一个特征，佛罗里达州福克斯-蔡氏癌症中心的内尔.；莫坡这样说。