发展中国家的乳腺癌死亡正不断上升；全世界每年有新的乳腺癌患者50万，几乎1／2出现在发展中国家。在亚、非、拉的部分地区，乳腺癌取代了子宫颈癌，成为女性中最常见的恶性肿瘤。乳癌发病率的上升，可能与西方化的生活与营养增加有关。高脂肪膳食和饮食成分失衡，都是众所周 The death rate of breast cancer in developing countries is rising; there are 500,000 new breast cancer patients in the world every year, and almost half of them are in developing countries. In parts of Asia, Africa and Latin America, breast cancer has replaced cervical cancer and has become the most common malignancy among women. The increase in the incidence of breast cancer may be related to the increase in Westernized life and nutrition. The imbalance between high-fat diets and dietary components is all the week