The main clinical manifestation of fibroadenoma is a breast lump, and in most cases, it is the only symptom of the disease. In most cases, breast lumps are the only symptom of the disease. Most lumps in fibroadenoma are unintentionally felt by the patient or detected by physical examination, and are not usually painful or change with the menstrual cycle. In a small number of cases, fibroadenoma of the breast is accompanied by breast enlargement, which may lead to premenstrual breast pain and discomfort.