Solid breast lumps depend on whether they are benign or malignant. Benign ones include breast fibroadenoma, intraductal papilloma, etc. Malignant lumps are mainly breast cancer, etc. 1. Breast fibroadenoma: it is a common benign breast tumor, mostly related to estrogen. Except for the lump in the breast, it usually has no other symptoms, and the main treatment is surgical excision. 2. Intraductal papilloma: it is mostly seen in menstruating women and occurs near the nipple, because the tumor may have thin-walled blood vessels, so it is very easy to rupture and bleed, and there may be nipple overflow in addition to the lump. The main treatment method is surgery, and routine pathologic examination will be carried out after surgery. 3. Breast cancer: the most common symptom is painless lump in the breast, in addition to the clinical manifestations such as cellulite changes, surgery, radiotherapy, chemotherapy and other comprehensive treatment. The most common symptom is painless lumps in the breasts, but there are also clinical manifestations such as cellulite changes, and surgery, radiotherapy, chemotherapy and other comprehensive treatments are used.