What is the irregular shape of a breast lump?

Breast lumps are clinically associated with the nature of the lump, one is a benign tumor, the other is a malignant tumor of the breast, malignant tumors are breast cancer, mostly breast cancer and some sarcomas of the breast and so on. Benign tumors generally have clear borders, good mobility, and a tough or soft texture. Malignant tumors are irregular in shape, hard in texture and less mobile, and most of these tumors are malignant. If you find any lumps or masses in the breast, you should go to the hospital in time to distinguish the benign and malignant nature of the lumps and do further treatment.