The BI-RADS classification of the right breast refers to the classification of the severity of the breast in the mammogram, which is divided into 7 grades, the lowest being grade 0 and the highest being grade 6, the higher the number, the higher the risk of breast cancer. Right breast category 2 refers to benign nodules in the right breast. The more common diseases include unilateral breast cysts, breast implants, breast lymph nodes and fibroids, all of which belong to breast category 2. If the nodule is found to be growing rapidly, accompanied by pain and other adverse reactions, it can be surgically removed and followed by pathological examination. In summary, this condition is mostly benign nodules, the possibility of lesions is very small, but need to pay more attention to avoid lesions.