结论：初发临床体征为孤立性脉络膜病灶经证实为胰尾癌的报告鲜见。
CONCLUSION: There are few reports that demonstrate the significance of a solitary choroidal lesion as the initial clinical sign of cancer of the tail of the pancreas.
2001年初，南加州大学预防医学研究人员就曾报告，那些一年之中或更长时间内每月使用一次长效染发剂的妇女患膀胱癌的危险是非使用者的2倍。
Early in 2001, USC preventive medicine researchers reported that women who use permanent dyes at least once a month for one year or longer have twice the risk of bladder cancer as non-users.
目的分析934例初治鼻咽癌单纯常规外照射放疗的临床效果，探讨提高疗效的临床因素。
Objective To analyze the clinical outcome of 934 primary nasopharyngeal carcinoma treated with conventional external beam radiotherapy alone.
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