Breast cancer is a malignant tumor that poses a serious health risk to women. Because of its location on the surface of the body, breast cancer can be easily detected at an early stage if one is careful and diligent in examinations. 80% of breast cancers can be detected by touch and 60% of breast tumors are detected by the patient herself or her husband. Patients whose breast cancer is detected by breast self-examination usually have smaller tumors and higher cure rate. In fact, you can perform easy breast cancer self-examinations at home if you know how to do it. Specific time between examinations In general, examinations should be insisted on once a month. If recent self-examination reveals bilateral breast asymmetry, lumps or hard nodes in the breast, or hardening of texture, edema and indentation of breast skin, eczema-like changes in the areola, and whether there is fluid or blood overflow from the nipples and other abnormalities, you should immediately go to the hospital to consult and examine with a specialist. It is recommended that women should do self-examination once every 1-3 months after the age of 30-35, and once every six months by a doctor. Steps of self-examination.