The enlargement of one breast of a 28-month-old girl is mainly considered to be related to external injury, mastitis, breast hyperplasia and breast tumor.
1. External injury: the girl’s one breast is hit by external injury, which can lead to local soft tissue damage, and then pain, swelling and other uncomfortable symptoms, and the girl will often cry because of the pain.
2. Mastitis: It is mainly considered to be related to infection and trauma, which can lead to breast lumps, pain, nipple inversion and other symptoms.
3. Mammary hyperplasia: It can lead to breast lumps or nodules and symptoms such as breast pain.
4. Breast tumors: diseases such as breast cancer can also cause girls to develop symptoms of enlargement of one breast.
If any of the above symptoms occur, the girl should be taken to the doctor to confirm the diagnosis and follow the doctor’s instructions for treatment.