Breast Nodule Grade 3 generally refers to Breast Nodule BI-RADS Grade 3, a way of categorizing nodules, where Grade 3 indicates a high likelihood of a benign lesion and a less than 2% chance of malignancy. A breast nodule is a lump that may be a benign lesion or a malignant tumor if it is present in the breast area. Breast nodules are evaluated clinically according to the BI-RADS, with a BI-RADS grade of 3 indicating a high likelihood of benign lesions and less than 2% chance of malignancy, and patients are encouraged to undergo regular review. The cause of breast nodules is unclear and may be related to breast infections, injuries or genetic mutations, hormone level disorders, and so on. As breast nodules with BI-RADS grade 3 are highly likely to be benign, they usually have clear contours, good mobility, no adhesion to the skin, and slow growth rate. Some patients may be accompanied by periodic breast swelling or tenderness. It is recommended that patients with BI-RADS grade 3 breast nodules undergo further detailed examination so that treatment measures can be taken according to their condition, and that they should also see their doctor regularly for review.