请看美国的SEER report的数据

risk that a woman will be diagnosed with breast cancer during the next 10 years, starting at the following ages, is as follows:

• Age 30 . . . . . . 0.44 percent (or 1 in 227)
• Age 40 . . . . . . 1.47 percent (or 1 in 68)
• Age 50 . . . . . . 2.38 percent (or 1 in 42)
• Age 60 . . . . . . 3.56 percent (or 1 in 28)
• Age 70 . . . . . . 3.82 percent (or 1 in 26)

http://www.cancer.gov/cancertopics/factsheet/detection/probability-breast-cancer

所有跟帖： 

• 这张图： -viewfinder- ♀ (1097 bytes) () 01/17/2014 postreply 18:01:15

• 很有意思。V妹这么聪明，一定能解释二者的差异 -TBz- ♂ (0 bytes) () 01/17/2014 postreply 18:22:06

• 哈哈，人老了不是这病就是那病，乳癌发病率高也不是主要矛盾了。 -viewfinder- ♀ (49 bytes) () 01/17/2014 postreply 18:27:38

• 要努力活过84呀 -红霏- ♀ (0 bytes) () 01/17/2014 postreply 18:27:30

• 过了84也不可放松警惕：） -viewfinder- ♀ (0 bytes) () 01/17/2014 postreply 18:28:29

• 家庭医生对我说 -红霏- ♀ (89 bytes) () 01/17/2014 postreply 18:30:42

• 在老人院里呆着灌水，管他隔了几辈子呢，照样可以上来吵架：）） -Manymore- ♀ (0 bytes) () 01/17/2014 postreply 20:45:35

• 对，网名叫姜太公等爱情 -红霏- ♀ (0 bytes) () 01/17/2014 postreply 22:56:03