Mammogram asymmetric patchy shadows usually refer to asymmetric patchy shadows on mammograms and are often indicative of breast hyperplasia. Mastitis and breast cancer can also cause similar findings. The final diagnosis should be based on pathologic examination. 1. Breast hyperplasia: Breast hyperplasia refers to hormonal disorders in the female body that stimulate the overgrowth of breast glands. When triggers such as exertion, late night and stress occur, the body may experience endocrine disorders, leading to aggravation of breast hyperplasia and increased breast pain. Hormonal fluctuations before menstruation will also result in obvious hyperplasia and aggravation of breast pain. The breast enlargement patients need to pay attention to the living habits and emotional regulation, avoid smoking, alcohol, spicy food, regular life, maintain a good mood, more outdoor exercise. 2. Mastitis: Mastitis occurs in breastfeeding women, for breastfeeding women, molybdenum X-ray results may show asymmetric patchy shadows, and may be accompanied by fever, redness, swelling and pain in the mammary glands and other manifestations. 3. Breast cancer: Breast cancer may also appear as asymmetric patchy shadows on mammogram. For patients with suspected breast cancer, doctors will clarify the nature of the lump through further pathologic biopsy. When molybdenum X-ray suggests asymmetric patchy shadows, it is recommended that the patient take the advice of the clinician for subsequent diagnosis and treatment.