Chest pain and lumps are closely related to local tissue abnormalities, and the main causes include breast diseases, skin diseases, and thoracic diseases. 1. Breast diseases: mainly include breast hyperplasia, fibroadenoma and breast cancer, which can cause irritation to the surrounding tissues and lead to corresponding symptoms. 2. Skin diseases: Skin infections, folliculitis, sebaceous adenomas, etc. will cause corresponding conditions, accompanied by obvious redness and swelling of the skin, and some of them will have ulceration. 3. Thoracic diseases: osteochondritis dissecans, rib bone destruction can also cause related symptoms. Chest pain accompanied by lumps continue to grow, you need to consult a doctor for observation, after diagnosing the cause of the disease, under the guidance of the clinician to carry out standardized treatment, to avoid delaying the condition.