Breast cancer is a type of cancer that develops from the cells of the breast. Breast cancer usually starts in the lining of the milk ducts or lobulus. Breast cancer that starts in the lobular carcinoma is known as lobulus, while occurring in the milk ducts called ductal carcinoma.
Breast cancer is the most common invasive cancer in women worldwide. This type of cancer accounts for 4% of all cancers that strike women and 22.9% of the invasive cancer in women. As much as 18.2% of all cancer deaths worldwide, including men and women, come from breast cancer.
The majority of breast cancer have a better prognosis if performed maintenance on the initial phase of its development. Therefore, early detection of signs and symptoms of breast cancer will be very important, especially in women with a high risk of developing cancer of the breast.
The number of breast cancer incidence is much higher in developed countries compared to developed countries. There are several reasons for the occurrence of this phenomenon, with the possibility of life expectancy to be one of the key factors-breast cancer is more common in elderly women; women in the developed countries live longer than in developing countries. Experts also believe the lifestyle and eating habits are different than women in developed and developing countries jugamenjadi cause factor.
Signs and symptoms of breast cancer
A symptom is only felt by the patient, and can be explained to a doctor or nurse, such as headache or pain, while a sign is something that patients and others can detect it, such as a rash or swelling.Early symptoms of breast cancer is typically characterized by a thickening of the tissue in the breasts of women, or sometimes encountered bumps. Although the majority of lumps are not cancerous, however, when encountering a lump in her breast, a woman must be immediately checked myself into a health professional.
According to the National Health Service, United Kingdom, women who detect signs or symptoms should be checked for the following:
• The existence of a lump in the breast
• Pain in the breast or armpit which seems unrelated to menstrual periods
• Pitting or redness on the skin of the breast; Sometimes such as orange peel
• Rash around (or above) one of the nipples
• Swelling (bumps) on one of the armpits
• An area of Thickening in the breast tissue
• One nipple peeling off, sometimes it may contain blood
• Nipple Changes in appearance, may be concave or upside down
• Changes in the size or shape of the breast
• The skin of the nipple or breast skin starts to peel, flake or scaly.




