The distribution of breast cancer

Geographical distribution : urban than in rural areas in China, female breast cancer has become the most common malignant cancers. Although China's low incidence of breast cancer, but the incidence of breast cancer there is obvious difference between town and country, High areas mainly concentrated in the large coastal cities, with Shanghai as the highest. In the past 20 years, urban women the incidence of breast cancer is rising year on year trend Case of Shanghai in 1999 than in 1974 the incidence rate is more than double that, in certain coastal cities, Female breast cancer is the most common first malignancy. Gender distribution : more females than male breast cancer are mostly women, men rarely the incidence of female than male high incidence of about one hundred times, Therefore, we normally refer to the breast is mainly female breast cancer. In China the peak incidence of breast cancer in 40-60 years, China's Shanghai, the incidence of breast cancer statistics, the incidence of breast cancer in all age groups have increased the trend. In all of China's ethnic minorities have low breast cancer mortality, but the Mongolian and Kazak slightly higher than other minorities, Tibetan women in the lowest incidence of breast cancer. Please learn how to protect themselves on the early detection of breast cancer patients significance than any of the current treatment program. So in the next period of time, the fight for early detection of early diagnosis of breast cancer is increased efficacy of the basic strategy.