Common radiographic signs of breast lesions include typical signs (masses, calcifications, structural distortions) and characteristic signs (ductal signs, intramammary lymph nodes, mass asymmetry, focal asymmetry, nipple, skin, and interstitial changes), with emphasis on mammographic signs of calcifications. Calcifications were categorized as typical benign calcifications, intermediate calcifications, and highly malignant possible calcifications. Overall assessment of the mammogram BI-RADS grading report: (Incomplete assessment) Grade 0: Recall is needed and reassessment in conjunction with other tests. Indicates that the information obtained from the examination may be incomplete. (Complete assessment) Grade I: No abnormality is seen. grade II: Benign changes are considered and regular follow-up (e.g., annually) is recommended. grade III: Benign disease is possible, but shorter follow-up intervals (e.g., once every 3 to 6 months) are needed. The percentage of malignancy at this level is less than 2%.Grade IV: Abnormalities are present and the possibility of malignant disease cannot be completely excluded, requiring biopsy for clarification.Grade IVa: Tendency to have a low likelihood of malignancy.Grade IVb: Tendency to have a moderate likelihood of malignancy.Grade IVc: Tendency to have a high likelihood of malignancy.Grade V: Highly suspicious of malignant lesions (almost identified as malignant disease), requiring surgical excisional biopsy.Grade VI: Already pathologically confirmed to be a Grade VI: already confirmed by pathology as a malignant lesion. With the widespread popularization of breast MRI, MRI BI-RADS has also emerged, but due to its high cost, it is not as widely used as X-ray, and its specificity can be improved by combining it with X-ray molybdenum target radiography. Overall assessment of BI-RADS grading of breast MRI: Grade 0 – need for further imaging evaluation/need for comparison with anterior films (incomplete assessment); complete assessment: Grade I – negative; Grade II – benign findings; Grade III – possibly benign findings, short-term follow-up is recommended; Grade IV – suspected abnormality, biopsy is to be considered; Grade V – malignancy is highly suspected, and appropriate measures should be taken by the clinic; Grade VI – biopsy confirmed malignancy, appropriate measures should be taken. Professor pointed out that at present, breast MRI examination is mainly used for 1, pre-surgical staging, 2, searching for primary foci for those with positive axillary lymph nodes, 3, evaluation of neoadjuvant chemotherapy, 4, application of breast-conserving surgery, 5, screening of high-risk groups, 6, evaluation of prosthesis, 7, localization and biopsy under the guidance of MR.