An egg-sized lump in the breast may be caused by breast cysts, breast fibroadenoma, breast cancer and other breast diseases.
1. Breast cysts: Breast cysts are mostly found in middle-aged women, mainly manifested as round or oval lumps in the breast, which can be single or multiple. Cysts can be single or multiple. Cysts change with menstrual cycle, breast swelling and pain before menstruation, easily confused with breast cancer.
2. Mammary fibroadenoma: Mammary fibroadenoma is most common in young women, manifested as a painless lump in the breast, with smooth edges and obvious boundaries, which can be pushed, and it seldom shows the symptoms of breast pain or nipple discharge.
3. Breast Cancer: It occurs in middle-aged and old-aged women, manifested as breast lumps, accompanied by breast pain, skin breakdown, nipple discharge and other symptoms.
Egg-sized hard lumps in the breast may also be caused by other reasons. You should go to the hospital for examination in time to clarify the cause of the disease and carry out treatment under the guidance of the doctor to avoid delaying the condition.