What is the condition of a hard lump on top of the chest?

The first thing you need to do is to get a good idea of what you are getting into. It can be iced first, then heated after 48 hours, sprayed with Yunnan Baiyao aerosol to activate blood circulation and remove blood stasis, and can also be massaged with physical therapy. 2, swollen lymph nodes, stimulated by inflammation, swollen painful subcutaneous lymph nodes, but no adhesion with the surrounding tissue, can be moved, can be infused with anti-inflammatory, if it affects the aesthetics can be surgically removed. If the lymph nodes are metastasized due to cancer, the cause needs to be identified and anti-cancer treatment should be carried out. 3. sebaceous cysts, sebaceous secretions are not cleared in time and blocked in the pores to form cysts. You need to wash your body in time, use a good clean body wash, then surgically remove the cyst, and pay attention to protect the operation area from infection after surgery.